Tag Archives: Rigid Coupling

China Custom Ductile Iron Rigid or Flexible Coupling

Product Description

 

CDU Ring Coupling
Construction:This coupling consists of shell, sealing rubber ring, bolt, nut, groove.
Working pressure:1.6-4.0Mpa/6.4Mpa/10Mpa/1.0-2.5Mpa
Feature:1.easy to install, easy to disassemble, and 5-10 times higher work efficiency.2.The connection is flexible, effectively reduce mechanical vibration, and the seismic effect is excellent.3.It can rotate 360 degrees around the tube axis and adjust the wear surface easily.4.The sequence of pipe rows is arbitrary, and can be constructed head-to-head or separately.5.Wear resistance, corrosion resistance, long service life.
Applications:High pressure pipe system for underground coal mine, high pressure pipe system for industrial and mining, fire fighting pipe system for high-rise buildings.
Product standard:GB/T 8260-2008,GB/T 5135.11-2006.

 

KRJ shoulder Coupling
Construction:This coupling consists of shell, sealing rubber ring, bolt, nut, groove.
Working pressure:10Mpa/6.4Mpa/4Mpa/2.5Mpa/1.6Mpa.
Feature:Has a self-sealing effect.Reliable performance and easy installation.
Applications:Common pressure pipe system for underground coal mine, common pressure pipe system for industrial and mining, high-rise building fire pipe system.
Product standard:GB/T 8260-2008,GB/T 5135.11-2006.

 

 

KRH short  Coupling
Construction:This coupling consists of shell, sealing rubber ring, bolt, nut, groove.
Working pressure:1.0-10Mpa/1.0-2.5Mpa/1.0-1.6Mpa
Feature:Has a self-sealing effect.Reliable performance and easy installation.
Applications:Common pressure pipe system for underground coal mine, common pressure pipe system for industrial and mining, high-rise building fire pipe system.
Product standard:GB/T 8260-2008,GB/T 5135.11-2006.

 

 

Grooved Flexible High Pressure Coupling
Construction:This coupling consists of shell, sealing rubber ring, bolt, nut, groove.
Size range:33~325mm
Working pressure:10Mpa
Feature:
1.Flexible connection, strong adaptability, can provide 0~4 degrees of deflection Angle.
               2.It has the function of shock absorption and heat expansion and contraction.
               3.The joint surface can be hot-dip galvanized or plasticized.
Applications:High pressure pipe system for underground coal mine, high pressure pipe system for industrial and mining, fire fighting pipe system for high-rise buildings.
Product standard:GB/T 8260-2008,GB/T 5135.11-2006.

 

 

FAQ

Q1. What is your terms of packing?

A: Generally, we pack our goods in neutral white wearable woven bags. If you have legally registered patent, 
we can pack the goods in your branded boxes after getting your authorization letters.

Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We’ll show you the photos of the products and packages 
before you pay the balance.

Q3. What is your terms of delivery?
A: EXW, FOB, CFR, CIF, DDU.

Q4. How about your delivery time?
A: Generally, it will take 20 to 60 days after receiving your advance payment. The specific delivery time depends 
on the items and the quantity of your order.
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flexible coupling

Can flexible couplings be used in food processing and pharmaceutical industries?

Yes, flexible couplings can be used in both the food processing and pharmaceutical industries under certain conditions. These industries have stringent requirements for equipment used in their processes, including hygienic design, cleanliness, and resistance to contamination. Here’s how flexible couplings can be used in these industries:

  • Hygienic Design: In food processing and pharmaceutical applications, flexible couplings with hygienic designs are essential to prevent the accumulation of food particles, dust, or other contaminants. Stainless steel or FDA-approved materials are commonly used to ensure compliance with hygiene standards and ease of cleaning.
  • Cleanability: The equipment used in food processing and pharmaceutical industries must be easily cleanable to maintain product purity. Flexible couplings with smooth surfaces and no crevices or pockets that can trap particles are preferred.
  • Chemical Resistance: Some food processing and pharmaceutical applications involve the use of cleaning agents or chemicals. Flexible couplings must be resistant to these chemicals to prevent degradation and ensure long-term reliability.
  • Corrosion Resistance: In food processing and pharmaceutical environments, equipment is often exposed to washdowns and sanitizing solutions. Flexible couplings made of corrosion-resistant materials can withstand these conditions and maintain their performance over time.
  • Compliance with Standards: The food processing and pharmaceutical industries are subject to strict regulations and standards. Flexible couplings used in these industries should comply with relevant industry standards, such as FDA, EHEDG, or NSF standards.
  • Non-Toxic Materials: Flexible couplings used in direct contact with food or pharmaceutical products must be made of non-toxic materials that will not contaminate the process.
  • Resistant to Temperature Extremes: Some food and pharmaceutical processes involve extreme temperatures. Flexible couplings must be capable of withstanding high and low temperatures without compromising their integrity.

When selecting flexible couplings for food processing and pharmaceutical applications, it is essential to work closely with manufacturers and suppliers who understand the industry’s unique requirements. Customized solutions may be necessary to ensure that the couplings meet the specific needs of the application and comply with industry standards.

Summary: Flexible couplings can be used in food processing and pharmaceutical industries when they meet the necessary hygiene, cleanability, chemical resistance, corrosion resistance, compliance with standards, and temperature resistance requirements. Proper selection and application of flexible couplings can contribute to the efficiency and reliability of equipment in these critical industries.

flexible coupling

Can flexible couplings be used in precision manufacturing equipment, such as CNC machines?

Yes, flexible couplings can be used in precision manufacturing equipment, including CNC (Computer Numerical Control) machines. CNC machines require high accuracy and precision during operation to produce complex and intricate parts. Flexible couplings play a vital role in such equipment by providing various benefits that enhance their performance and reliability.

  • Compensation for Misalignment: CNC machines often have multiple moving parts and axes that need precise alignment. Flexible couplings can accommodate small misalignments between these components, ensuring smooth and reliable power transmission without inducing additional stress or strain on the system.
  • Vibration Damping: Precision manufacturing requires minimizing vibrations that could affect the quality of the finished product. Flexible couplings with damping properties can absorb and dissipate vibrations, resulting in better surface finishes and accuracy of the machined parts.
  • Torsional Flexibility: CNC machines may experience torque fluctuations during acceleration, deceleration, or tool changes. Flexible couplings with torsional flexibility can handle these variations and prevent torsional vibrations from affecting the machining process.
  • Backlash Compensation: Some types of flexible couplings, such as beam couplings, offer minimal or near-zero backlash. This characteristic is essential in CNC machines, as it helps maintain positional accuracy during direction changes and reversals.
  • High Torque Transmission: CNC machines may require high torque transmission capabilities, especially in heavy-duty cutting or milling operations. Flexible couplings can handle substantial torque loads while still providing flexibility to address misalignments.
  • Reduced Maintenance: With the ability to absorb shocks and compensate for misalignment, flexible couplings can extend the life of other mechanical components in the CNC machine, reducing overall maintenance requirements and downtime.

It’s important to select the appropriate type and size of flexible coupling based on the specific requirements of the CNC machine, including torque, speed, misalignment, and environmental conditions. Regular maintenance and inspection of the flexible couplings will ensure optimal performance and contribute to the overall precision and efficiency of the CNC machine.

flexible coupling

How does a flexible coupling impact the overall reliability of connected equipment?

A flexible coupling significantly impacts the overall reliability of connected equipment in several ways:

  • Misalignment Compensation: Flexible couplings can accommodate both angular and parallel misalignment between connected shafts. By allowing for misalignment, the coupling reduces the stress and wear on bearings, seals, and other rotating components. This feature prevents premature failure of these components, contributing to improved reliability and extended equipment lifespan.
  • Vibration Damping: Flexible couplings possess inherent damping properties due to their elastomeric or flexible elements. These elements absorb and dissipate vibrations generated during the operation of machinery. By dampening vibrations, the coupling protects the connected equipment from excessive oscillations, reducing fatigue and preventing mechanical failures. This enhanced vibration control increases the reliability of the system.
  • Shock Load Absorption: In applications with sudden load variations or shock loads, such as in heavy machinery or high-speed equipment, a flexible coupling acts as a shock absorber. It can absorb and dissipate the impact energy, protecting the machinery from damage caused by sudden loads. The ability to absorb shock loads contributes to the overall reliability of the connected equipment.
  • Reduced Wear and Tear: The flexibility of the coupling minimizes stress and wear on rotating equipment. It allows for slight movements and misalignments, reducing friction and stress on bearings and other critical components. This reduction in wear and tear lowers the frequency of maintenance and replacement, increasing the overall reliability of the equipment.
  • Compensation for Thermal Expansion: Temperature changes in machinery can lead to thermal expansion or contraction of shafts. A flexible coupling can compensate for these thermal effects, ensuring that the machinery remains properly aligned even as temperature conditions fluctuate. This compensation prevents binding and misalignment, promoting reliable performance.
  • Protection Against Overloads: Flexible couplings help protect connected equipment from overloads and torsional vibrations. They act as a mechanical fuse, disconnecting the driveline when an overload occurs, thus preventing damage to expensive machinery. This safety feature enhances the overall reliability and reduces the risk of catastrophic failures.
  • Easy Maintenance and Alignment: Flexible couplings are designed for easy installation and alignment. This feature simplifies maintenance procedures, making it easier to inspect and replace couplings when necessary. Properly aligned couplings lead to improved equipment performance and longevity, enhancing overall reliability.

By compensating for misalignment, damping vibrations, absorbing shock loads, reducing wear and tear, and providing other protective features, a flexible coupling significantly improves the reliability of connected equipment. It extends the lifespan of critical components, minimizes downtime, and ensures smooth and efficient operation, making it a valuable component in various industrial applications.

China Custom Ductile Iron Rigid or Flexible Coupling  China Custom Ductile Iron Rigid or Flexible Coupling
editor by CX 2024-04-08

China Custom Ductile Iron Rigid or Flexible Coupling

Product Description

 

CDU Ring Coupling
Construction:This coupling consists of shell, sealing rubber ring, bolt, nut, groove.
Working pressure:1.6-4.0Mpa/6.4Mpa/10Mpa/1.0-2.5Mpa
Feature:1.easy to install, easy to disassemble, and 5-10 times higher work efficiency.2.The connection is flexible, effectively reduce mechanical vibration, and the seismic effect is excellent.3.It can rotate 360 degrees around the tube axis and adjust the wear surface easily.4.The sequence of pipe rows is arbitrary, and can be constructed head-to-head or separately.5.Wear resistance, corrosion resistance, long service life.
Applications:High pressure pipe system for underground coal mine, high pressure pipe system for industrial and mining, fire fighting pipe system for high-rise buildings.
Product standard:GB/T 8260-2008,GB/T 5135.11-2006.

 

KRJ shoulder Coupling
Construction:This coupling consists of shell, sealing rubber ring, bolt, nut, groove.
Working pressure:10Mpa/6.4Mpa/4Mpa/2.5Mpa/1.6Mpa.
Feature:Has a self-sealing effect.Reliable performance and easy installation.
Applications:Common pressure pipe system for underground coal mine, common pressure pipe system for industrial and mining, high-rise building fire pipe system.
Product standard:GB/T 8260-2008,GB/T 5135.11-2006.

 

 

KRH short  Coupling
Construction:This coupling consists of shell, sealing rubber ring, bolt, nut, groove.
Working pressure:1.0-10Mpa/1.0-2.5Mpa/1.0-1.6Mpa
Feature:Has a self-sealing effect.Reliable performance and easy installation.
Applications:Common pressure pipe system for underground coal mine, common pressure pipe system for industrial and mining, high-rise building fire pipe system.
Product standard:GB/T 8260-2008,GB/T 5135.11-2006.

 

 

Grooved Flexible High Pressure Coupling
Construction:This coupling consists of shell, sealing rubber ring, bolt, nut, groove.
Size range:33~325mm
Working pressure:10Mpa
Feature:
1.Flexible connection, strong adaptability, can provide 0~4 degrees of deflection Angle.
               2.It has the function of shock absorption and heat expansion and contraction.
               3.The joint surface can be hot-dip galvanized or plasticized.
Applications:High pressure pipe system for underground coal mine, high pressure pipe system for industrial and mining, fire fighting pipe system for high-rise buildings.
Product standard:GB/T 8260-2008,GB/T 5135.11-2006.

 

 

FAQ

Q1. What is your terms of packing?

A: Generally, we pack our goods in neutral white wearable woven bags. If you have legally registered patent, 
we can pack the goods in your branded boxes after getting your authorization letters.

Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We’ll show you the photos of the products and packages 
before you pay the balance.

Q3. What is your terms of delivery?
A: EXW, FOB, CFR, CIF, DDU.

Q4. How about your delivery time?
A: Generally, it will take 20 to 60 days after receiving your advance payment. The specific delivery time depends 
on the items and the quantity of your order.
  /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

flexible coupling

How does a flexible coupling handle electrical insulation between shafts?

Flexible couplings are typically not designed to provide electrical insulation between shafts. In most cases, flexible couplings are used solely for the purpose of transmitting mechanical power from one shaft to another while accommodating misalignment and absorbing shocks and vibrations. They do not offer any electrical isolation or insulation properties.

When electrical insulation is required between two rotating shafts in a system, additional components or specialized couplings are used. For applications where electrical isolation is necessary, insulated couplings or special insulation components can be employed. These types of couplings feature insulating materials, coatings, or designs that prevent electrical current from flowing between the connected shafts.

Insulated couplings can be beneficial in certain applications, such as electric motor drives or systems involving sensitive electronics. They help prevent stray currents, ground loops, and electrical interference that could potentially damage equipment or affect the accuracy of electronic signals. However, it is important to note that not all flexible couplings provide this electrical insulation capability, and users should carefully select couplings that meet the specific electrical isolation requirements of their application.

Summary: Flexible couplings, as standard mechanical components, do not inherently provide electrical insulation between shafts. They are primarily used for mechanical power transmission and misalignment compensation. If electrical insulation is needed between rotating shafts, insulated couplings or specialized components with insulating properties should be chosen to meet the specific requirements of the application.

flexible coupling

How does a flexible coupling help in torque and rotational speed control?

A flexible coupling plays a crucial role in torque and rotational speed control in rotating machinery. It offers several benefits that contribute to efficient power transmission and help maintain desired operating conditions:

  • Torque Transmission: Flexible couplings transmit torque from one shaft to another while accommodating misalignments. They provide a reliable connection that allows the driving shaft to transfer rotational force (torque) to the driven shaft without causing undue stress on the connected components.
  • Smooth Power Transmission: Flexible couplings help reduce shocks and vibrations that can occur during startup, shutdown, or sudden load changes. By damping these vibrations, the coupling ensures smooth power transmission and protects the connected equipment from unnecessary wear.
  • Rotational Speed Control: In certain applications, especially those involving precision motion control, maintaining consistent rotational speed is critical. Flexible couplings can help by minimizing backlash and torsional wind-up. Backlash refers to the play or gap between the coupling’s components, while torsional wind-up is the twisting deformation that can occur under torque load. Flexible couplings with low backlash and high torsional stiffness contribute to accurate rotational speed control.
  • Compensation for Misalignment: Rotating machinery may experience misalignment due to various factors such as thermal expansion, foundation settling, or machining tolerances. Flexible couplings accommodate angular, parallel, and axial misalignments, which helps in maintaining proper alignment between the shafts and reduces unnecessary torque variations.
  • Protection from Overloads: Flexible couplings can act as a mechanical fuse by disengaging or slipping when subjected to excessive torque loads. This feature protects the connected components from damage caused by sudden overloads or jamming events.
  • Energy Efficiency: Certain types of flexible couplings, such as elastomeric couplings or beam couplings, have low mass and inertia. This characteristic reduces energy losses and contributes to overall system efficiency.

By providing reliable torque transmission, smooth power transfer, rotational speed control, and compensation for misalignment, flexible couplings optimize the performance and longevity of rotating machinery. Additionally, they enhance the safety and efficiency of various industrial processes by protecting equipment from excessive loads and ensuring smooth operation in diverse applications.

flexible coupling

Can flexible couplings accommodate high torque and high-speed applications?

Yes, flexible couplings can accommodate both high torque and high-speed applications, but the suitability depends on the specific design and material of the flexible coupling. Different types of flexible couplings have varying torque and speed capacities, and it’s crucial to select the right type of coupling based on the application requirements.

High Torque Applications:

Some flexible couplings, such as gear couplings and disc couplings, are designed to handle high torque levels. Gear couplings consist of toothed hubs that mesh with each other, providing a robust and efficient torque transmission. They are commonly used in heavy-duty industrial applications, such as steel mills, mining equipment, and power generation plants, where high torque loads are prevalent.

Disc couplings are also suitable for high torque applications. They use a series of flexible metal discs that can handle significant torque while compensating for misalignment. Disc couplings are often used in high-speed machinery and critical applications where precise torque transmission is essential.

High-Speed Applications:

Flexible couplings can also be used in high-speed applications. For instance, certain disc couplings, elastomeric couplings, and grid couplings are capable of handling high rotational speeds. These couplings have low inertia, which means they can respond quickly to changes in speed and provide efficient power transmission at high RPMs.

Elastomeric couplings, such as jaw couplings and tire couplings, are commonly used in various industrial applications, including pumps, compressors, and fans, where both torque and speed requirements are high. They offer good flexibility and damping properties, making them suitable for applications with high-speed variations and vibrations.

Considerations:

When selecting a flexible coupling for high torque and high-speed applications, several factors should be considered:

  • The torque and speed ratings provided by the coupling manufacturer should be checked to ensure they meet or exceed the application’s requirements.
  • The design and materials of the coupling should be suitable for the specific operating conditions, including temperature, environment, and potential exposure to corrosive substances.
  • Proper alignment and installation of the coupling are critical to ensure optimal performance and prevent premature wear.
  • In some cases, it may be necessary to use additional components, such as torque limiters or speed reducers, to protect the coupling and the connected equipment from excessive loads or speed fluctuations.

In conclusion, flexible couplings can indeed accommodate high torque and high-speed applications, but the appropriate coupling type and proper selection are essential to ensure reliable and efficient performance in these demanding conditions.

China Custom Ductile Iron Rigid or Flexible Coupling  China Custom Ductile Iron Rigid or Flexible Coupling
editor by CX 2024-03-12

China supplier UL FM Approved Grooved Pipe Fitting Rigid Flexible Coupling Red Color

Product Description

SDSX Grooved Rigid Coupling

System s & Performance

SDSX Grooved mechanical couplings(GMC) are available in both rigid and flexible models.

A rigid coupling is used in applications where a rigid joint is desired,similar to that of a traditional flanged,welded ,or threaded connection.

To be considered rigid,a coupling would allow less than 1 degree of deflection or angular movement

 

Description

SDSX rigid coupling is designed from 1″-12″, and pressure is 300psi/2070 kPa.

Bolts/Nuts: Heat-treated plated carbon steel, meeting its mechanical properties Grade 8.8.

Gaskets: EPDM, silicon rubber and Nitrile rubber.

Dimensions
 

Nominal
Size mm/in
Pipe O.D
mm/in
Working
Pressure
PSI/MPa
Bolt Size Dimensions mm/in
No.-Size   mm Ø L H
25
1
33.7
1.327
300
2.07
2-3/8*45 60   
2.362
102 
4.016
45 
1.772
32
42.4
1.669
300
2.07
2-3/8*45 70 
2.756
106 
4.173
44 
1.732
40
48.3
1.900
300
2.07
2-3/8*45 73 
2.874
108 
4.252
44 
1.732
50
2
57.0
2.245
300
2.07
2-3/8*55 83
3.268
122 
4.803
45 
1.772
50
2
60.3
2.375
300
2.07
2-3/8*55 87
3.425
123 
4.843
44 
1.732
65
73.0
2.875
300
2.07
2-3/8*55 100 
3.937
138 
5.433
44 
1.732
65
76.1
3.000
300
2.07
2-3/8*55 103 
4.055
142 
5.591
45 
1.772
80
3
88.9
3.500
300
2.07
2- 1/2*60 117 
4.606
166 
6.535
45 
1.772
100
4
108.0
4.250
300
2.07
2- 1/2*65 137 
5.393
188 
7.401
48 
1.889
100
4
114.3
4.500
300
2.07
2- 1/2*65 139 
5.472
190 
7.480
49 
1.929
125
5
133.0
5.250
300
2.07
2- 1/2*75 163 
6.417
210 
8.268
49 
1.929
125
5
139.7
5.500
300
2.07
2- 1/2*75 168 
6.614
218 
8.583
49 
1.929
150
6
159.0
6.250
300
2.07
2- 1/2*75 192 
7.559
242 
9.528
49 
1.929
150
6
165.1
6.500
300
2.07
2- 1/2*75 193 
7.598
241 
9.488
49 
1.929
150
6
168.3
6.625
300
2.07
2- 1/2*75 198.5 
7.815
249 
9.803
50
1.969
200
8
219.1
8.625
300
2.07
2-5/8*85 253 
9.961
320 
12.598
59
2.323
250
10
273
10.748
300
2.07
2-7/8*130 335 
13.189
426 
16.772
68
2.677
300
12
323.9
12.752
300
2.07
2-7/8*130 380 
14.96
470 
18.504
65
2.559

Material Specification

Housing: Ductile iron conforming to ASTM A-536, grade 65-45-12.

Housing Coating: Paint red and orange

• Optional: Hot dipped galvanized, electro galvanized.

Gaskets

 

• EPDM: Temperature range -34ºC to +150ºC. Recommended for hot water service within

the specified temperature range plus a variety of dilute acids,oil-free air and many chemical services.
 

NOT RECOMMENDED FOR PETROLEUM SERVICES.

 

• Silicon Rubber: Temperature range -40ºC to +177ºC. Recommended for drinking water,

hot water, high-temperature air and some high-temperature chemicals.

NOT RECOMMENDED FOR PETROLEUM SERVICES.

 

• Nitrile Rubber: Temperature range -29ºC to +82ºC. Recommended for petroleum products,

air with oil vapors, vegetable and mineral oils within the specified temperature range.

NOT RECOMMENDED FOR HOT WATER

SERVICES OVER +150°F/+66ºC OR FOR HOT

DRY AIR OVER +140°F/+60ºC.

Installation

Certification



Showroom

Application

Package and shipment

Production and quality control


 

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flexible coupling

How do flexible couplings handle shaft misalignment in rotating equipment?

Flexible couplings are designed to handle shaft misalignment in rotating equipment, providing several key features that allow them to accommodate misalignment effectively. Here’s how they work:

  • Angular Misalignment: Flexible couplings can handle angular misalignment, which occurs when the axes of the connected shafts are not perfectly aligned. The coupling’s flexible elements allow for slight angular deviation, ensuring that the torque can still be transmitted smoothly between the shafts.
  • Parallel Misalignment: Parallel misalignment occurs when the connected shafts are not perfectly in line but run parallel to each other. Flexible couplings can compensate for this misalignment by utilizing their ability to flex or slide, allowing the shafts to remain connected while maintaining rotational integrity.
  • Axial Misalignment: Axial misalignment refers to the situation where the connected shafts have a slight axial displacement. Some flexible couplings have specific designs to handle axial misalignment, allowing for limited movement along the axial direction without compromising the connection between the shafts.
  • Double Flexing: Certain types of flexible couplings, such as the double-flexing couplings, can accommodate both angular and parallel misalignments simultaneously. These couplings use two sets of flexible elements to achieve this capability, providing a higher degree of misalignment compensation.

Overall, the flexibility of the coupling’s material and design allows it to bend, flex, or slide in response to the misalignment, reducing the stress on the connected equipment and ensuring smooth power transmission. By accommodating misalignment, flexible couplings help prevent premature wear, reduce vibration, and extend the service life of the rotating equipment.

flexible coupling

Can flexible couplings accommodate both radial and axial loads simultaneously?

Yes, flexible couplings are designed to accommodate both radial and axial loads simultaneously, making them versatile for various mechanical systems. The ability to handle these loads is one of the key advantages of using flexible couplings in power transmission applications. Here’s how they manage both types of loads:

  • Radial Loads: Radial loads act perpendicular to the shaft’s axis and can arise from forces that are not in line with the shaft, such as belt tension or bearing loads. Flexible couplings can handle radial loads due to their flexibility and ability to bend or deform slightly, redistributing the radial forces and minimizing the impact on the connected equipment.
  • Axial Loads: Axial loads act along the shaft’s axis and are common in applications with thrust forces or axial movements. Flexible couplings can accommodate axial loads through their axial flexibility, allowing slight axial displacement without transmitting excessive forces to the connected components.
  • Angular Misalignment: Besides radial and axial loads, flexible couplings can also handle angular misalignment between the shafts. Angular misalignment occurs when the shafts are not perfectly aligned, and flexible couplings can compensate for this misalignment, reducing wear and stress on the connected machinery.

By accommodating both radial and axial loads, flexible couplings help prevent premature wear, reduce the risk of equipment damage, and contribute to smoother and more efficient power transmission. When selecting a flexible coupling for an application, it is essential to consider the expected radial and axial loads, as well as the required level of misalignment compensation to ensure optimal performance and longevity of the coupling and the connected equipment.

flexible coupling

What materials are commonly used in manufacturing flexible couplings?

Flexible couplings are manufactured using a variety of materials, each offering different properties and characteristics suited for specific applications. The choice of material depends on factors such as the application’s requirements, environmental conditions, torque capacity, and desired flexibility. Here are some of the commonly used materials in manufacturing flexible couplings:

  • Steel: Steel is a widely used material in flexible couplings due to its strength, durability, and excellent torque transmission capabilities. Steel couplings are suitable for heavy-duty industrial applications with high torque requirements and harsh operating conditions.
  • Stainless Steel: Stainless steel is often used to manufacture flexible couplings in environments with high corrosion potential. Stainless steel couplings offer excellent resistance to rust and other corrosive elements, making them ideal for marine, food processing, and chemical industry applications.
  • Aluminum: Aluminum couplings are lightweight, have low inertia, and provide excellent balance. They are commonly used in applications where reducing weight is critical, such as aerospace and robotics.
  • Brass: Brass couplings are known for their electrical conductivity and are used in applications where electrical grounding or electrical isolation is required, such as in certain industrial machinery or electronics equipment.
  • Cast Iron: Cast iron couplings offer good strength and durability and are often used in industrial applications where resistance to shock loads and vibrations is necessary.
  • Plastic/Polymer: Some flexible couplings use high-performance polymers or plastics, such as polyurethane or nylon. These materials provide good flexibility, low friction, and resistance to chemicals. Plastic couplings are suitable for applications where corrosion resistance and lightweight are essential.
  • Elastomers: Elastomers are used as the flexible elements in many flexible couplings. Materials like natural rubber, neoprene, or urethane are commonly used as elastomer spider elements, providing flexibility and vibration damping properties.

The selection of the coupling material depends on the specific needs of the application. For instance, high-performance and heavy-duty applications may require steel or stainless steel couplings for their robustness, while applications where weight reduction is crucial may benefit from aluminum or polymer couplings. Additionally, the choice of material is influenced by factors such as temperature range, chemical exposure, and electrical requirements in the application’s operating environment.

Manufacturers typically provide material specifications for their couplings, helping users make informed decisions based on the specific demands of their applications.

China supplier UL FM Approved Grooved Pipe Fitting Rigid Flexible Coupling Red Color  China supplier UL FM Approved Grooved Pipe Fitting Rigid Flexible Coupling Red Color
editor by CX 2024-03-09

China factory Stainless Steel Coupling Gear Rigid Roller Chain Fluid Tyre Grid Jaw Spider HRC Nm Motor Flange Gear Pump Rubber Spline Shaft Flexible Universal Joint Coupling

Product Description

Stainless Steel Coupling Gear Rigid Roller Chain Fluid Tyre Grid Jaw Spider HRC Nm Motor Flange Gear Pump Rubber Spline Shaft Flexible Universal Joint Coupling

Product Description

Main products
Coupling refers to a device that connects 2 shafts or shafts and rotating parts, rotates together during the transmission of motion and power, and does not disengage under normal conditions. Sometimes it is also used as a safety device to prevent the connected parts from bearing excessive load, which plays the role of overload protection.

Couplings can be divided into rigid couplings and flexible couplings.
Rigid couplings do not have buffering property and the ability to compensate the relative displacement of 2 axes. It is required that the 2 axes be strictly aligned. However, such couplings are simple in structure, low in manufacturing cost, convenient in assembly and disassembly, and maintenance, which can ensure that the 2 axes are relatively neutral, have large transmission torque, and are widely used. Commonly used are flange coupling, sleeve coupling and jacket coupling.
Flexible coupling can also be divided into flexible coupling without elastic element and flexible coupling with elastic element. The former type only has the ability to compensate the relative displacement of 2 axes, but cannot cushion and reduce vibration. Common types include slider coupling, gear coupling, universal coupling and chain coupling; The latter type contains elastic elements. In addition to the ability to compensate the relative displacement of 2 axes, it also has the functions of buffering and vibration reduction. However, due to the strength of elastic elements, the transmitted torque is generally inferior to that of flexible couplings without elastic elements. Common types include elastic sleeve pin couplings, elastic pin couplings, quincunx couplings, tire type couplings, serpentine spring couplings, spring couplings, etc

Coupling performance

1) Mobility. The movability of the coupling refers to the ability to compensate the relative displacement of 2 rotating components. Factors such as manufacturing and installation errors between connected components, temperature changes during operation and deformation under load all put CHINAMFG requirements for mobility. The movable performance compensates or alleviates the additional load between shafts, bearings, couplings and other components caused by the relative displacement between rotating components.
(2) Buffering. For the occasions where the load is often started or the working load changes, the coupling shall be equipped with elastic elements that play the role of cushioning and vibration reduction to protect the prime mover and the working machine from little or no damage.
(3) Safe, reliable, with sufficient strength and service life.
(4) Simple structure, easy to assemble, disassemble and maintain.

How to select the appropriate coupling type

The following items should be considered when selecting the coupling type.
1. The size and nature of the required transmission torque, the requirements for buffering and damping functions, and whether resonance may occur.
2. The relative displacement of the axes of the 2 shafts is caused by manufacturing and assembly errors, shaft load and thermal expansion deformation, and relative movement between components.
3. Permissible overall dimensions and installation methods, and necessary operating space for assembly, adjustment and maintenance. For large couplings, they should be able to be disassembled without axial movement of the shaft.
In addition, the working environment, service life, lubrication, sealing, economy and other conditions should also be considered, and a suitable coupling type should be selected by referring to the characteristics of various couplings.

If you cannot determine the type, you can contact our professional engineer

Related products

 

Company Profile

 

Our Equipments

Main production equipment:
Large lathe, surface grinder, milling machine, gear shaper, spline milling machine, horizontal broaching machine, gear hobbing machine, shaper, slotting machine, bench drilling machine, radial drilling machine, boring machine, band sawing machine, horizontal lathe, end milling machine, crankshaft grinder, CNC milling machine, casting equipment, etc.
Inspection equipment:
Dynamic balance tester, high-speed intelligent carbon and sulfur analyzer, Blochon optical hardness tester, Leeb hardness tester, magnetic yoke flaw detector, special detection, modular fixture (self-made), etc.

Machining equipments
Heat equipment

 

Our Factory
Application – Photos from our partner customers

Company Profile
Our leading products are mechanical transmission basic parts – couplings, mainly including universal couplings, drum gear couplings, elastic couplings and other 3 categories of more than 30 series of varieties. It is widely used in metallurgical steel rolling, wind power, hydropower, mining, engineering machinery, petrochemical, lifting, paper making, rubber, rail transit, shipbuilding and marine engineering and other industries.
Our factory takes the basic parts of national standards as the benchmark, has more than 40 years of coupling production experience, takes “scientific management, pioneering and innovation, ensuring quality and customer satisfaction” as the quality policy, and aims to continuously provide users with satisfactory products and services. The production is guided by reasonable process, and the ISO9001:2015 quality management system standard is strictly implemented. We adhere to the principle of continuous improvement and innovation of coupling products. In recent years, it has successfully developed 10 national patent products such as SWF cross shaft universal coupling, among which the double cross shaft universal joint has won the national invention patent, SWF cross shaft universal coupling has won the new product award of China’s general mechanical parts coupling industry and the ZHangZhoug Province new product science and technology project.
Our factory has strong technical force, excellent process equipment, complete professional production equipment, perfect detection means, excellent after-sales service, various products and complete specifications. At the same time, we can provide the design and manufacturing of special non-standard products according to the needs of users. Our products sell well at home and abroad, and are trusted by the majority of users. We sincerely welcome friends from all walks of life at home and abroad to visit and negotiate for common development.p

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flexible coupling

Can flexible couplings be used in servo motor and stepper motor applications?

Yes, flexible couplings are commonly used in both servo motor and stepper motor applications. They play a crucial role in connecting the motor shaft to the driven load while compensating for misalignments and providing other essential benefits:

  • Servo Motor Applications: Servo motors require precise motion control and high responsiveness. Flexible couplings are well-suited for servo motor applications because they offer the following advantages:
  • Misalignment Compensation: Servo motors are sensitive to misalignments, which can lead to decreased performance and increased wear. Flexible couplings can accommodate angular, parallel, and axial misalignments, ensuring that the motor and driven load remain properly aligned during operation.
  • Vibration Damping: Flexible couplings help reduce vibrations, which is crucial for servo motor applications that require smooth and precise motion. By absorbing and dissipating vibrations, flexible couplings contribute to the overall stability and accuracy of the system.
  • Backlash Minimization: Some flexible couplings have minimal to no backlash, making them suitable for high-precision servo motor applications where any play or clearance between components could affect performance.
  • High Torque Capacity: Servo motors often require high torque transmission capabilities. Flexible couplings are available in various designs and materials, allowing for the selection of couplings with appropriate torque ratings for specific servo motor applications.
  • Stepper Motor Applications: Stepper motors are commonly used in open-loop control systems where precise positioning is necessary. Flexible couplings are used in stepper motor applications due to the following reasons:
  • Misalignment Tolerance: Stepper motors can experience misalignments, especially in dynamic applications. Flexible couplings can handle misalignments without introducing significant backlash or affecting the stepper motor’s accuracy.
  • Cost-Effectiveness: Flexible couplings are often more cost-effective than other types of couplings, making them a practical choice for stepper motor applications, especially in cases where precision requirements are not as stringent as in servo motor systems.
  • Shock Load Absorption: Some stepper motor applications involve abrupt starts and stops, leading to shock loads. Flexible couplings can absorb these shocks and protect the motor and driven load from damage.
  • Simplicity: Flexible couplings are simple in design and easy to install, making them a popular choice in various stepper motor applications.

Overall, flexible couplings offer valuable benefits in both servo motor and stepper motor applications. They help improve system performance, reduce wear on components, and enhance the overall reliability of the motion control systems they are employed in.

flexible coupling

How does a flexible coupling help in torque and rotational speed control?

A flexible coupling plays a crucial role in torque and rotational speed control in rotating machinery. It offers several benefits that contribute to efficient power transmission and help maintain desired operating conditions:

  • Torque Transmission: Flexible couplings transmit torque from one shaft to another while accommodating misalignments. They provide a reliable connection that allows the driving shaft to transfer rotational force (torque) to the driven shaft without causing undue stress on the connected components.
  • Smooth Power Transmission: Flexible couplings help reduce shocks and vibrations that can occur during startup, shutdown, or sudden load changes. By damping these vibrations, the coupling ensures smooth power transmission and protects the connected equipment from unnecessary wear.
  • Rotational Speed Control: In certain applications, especially those involving precision motion control, maintaining consistent rotational speed is critical. Flexible couplings can help by minimizing backlash and torsional wind-up. Backlash refers to the play or gap between the coupling’s components, while torsional wind-up is the twisting deformation that can occur under torque load. Flexible couplings with low backlash and high torsional stiffness contribute to accurate rotational speed control.
  • Compensation for Misalignment: Rotating machinery may experience misalignment due to various factors such as thermal expansion, foundation settling, or machining tolerances. Flexible couplings accommodate angular, parallel, and axial misalignments, which helps in maintaining proper alignment between the shafts and reduces unnecessary torque variations.
  • Protection from Overloads: Flexible couplings can act as a mechanical fuse by disengaging or slipping when subjected to excessive torque loads. This feature protects the connected components from damage caused by sudden overloads or jamming events.
  • Energy Efficiency: Certain types of flexible couplings, such as elastomeric couplings or beam couplings, have low mass and inertia. This characteristic reduces energy losses and contributes to overall system efficiency.

By providing reliable torque transmission, smooth power transfer, rotational speed control, and compensation for misalignment, flexible couplings optimize the performance and longevity of rotating machinery. Additionally, they enhance the safety and efficiency of various industrial processes by protecting equipment from excessive loads and ensuring smooth operation in diverse applications.

flexible coupling

What role does a flexible coupling play in reducing downtime and maintenance costs?

A flexible coupling plays a significant role in reducing downtime and maintenance costs in industrial machinery and rotating equipment. Here are the key ways in which flexible couplings contribute to these benefits:

  • Misalignment Compensation: One of the primary functions of a flexible coupling is to accommodate misalignment between two connected shafts. Misalignment can occur due to various factors such as thermal expansion, foundation settling, or manufacturing tolerances. By allowing for misalignment, flexible couplings reduce the transmission of harmful forces and stresses to connected components, minimizing wear and preventing premature failures that could lead to costly downtime and repairs.
  • Vibration Damping: Flexible couplings have inherent damping properties due to the elastomeric or flexible elements they incorporate. These elements absorb and dissipate vibration and shock loads that may arise from the operation of rotating machinery. By dampening vibrations, flexible couplings protect the connected equipment from excessive wear and fatigue, extending their service life and reducing the need for frequent maintenance or replacement.
  • Shock Load Absorption: In applications where sudden loads or shocks are common, such as in heavy machinery or high-speed equipment, flexible couplings act as shock absorbers. They can absorb and dissipate the impact energy, preventing damage to the machinery and minimizing downtime caused by unexpected failures or breakdowns.
  • Easy Installation and Alignment: Flexible couplings are designed for ease of installation and alignment. Unlike rigid couplings that require precise shaft alignment, flexible couplings can tolerate some degree of misalignment during installation. This feature simplifies the setup process, reduces installation time, and lowers the risk of misalignment-related issues, ultimately minimizing downtime during initial installation or replacement of couplings.
  • Reduced Maintenance Frequency: The ability of flexible couplings to handle misalignment and dampen vibrations results in reduced wear on bearings, seals, and other connected components. Consequently, the frequency of maintenance intervals can be extended, reducing the need for frequent inspections and component replacements. This directly translates to lower maintenance costs and less downtime for maintenance tasks.
  • Equipment Protection: By reducing the transmission of shock loads and vibrations, flexible couplings act as protective barriers for connected equipment. They help prevent catastrophic failures and subsequent damage to expensive machinery, avoiding unplanned shutdowns and costly repairs.

Overall, flexible couplings are critical components that improve the reliability and longevity of rotating equipment. Their ability to handle misalignment, dampen vibrations, and protect against shock loads contributes to reduced downtime, lower maintenance costs, and increased productivity in industrial applications.

China factory Stainless Steel Coupling Gear Rigid Roller Chain Fluid Tyre Grid Jaw Spider HRC Nm Motor Flange Gear Pump Rubber Spline Shaft Flexible Universal Joint Coupling  China factory Stainless Steel Coupling Gear Rigid Roller Chain Fluid Tyre Grid Jaw Spider HRC Nm Motor Flange Gear Pump Rubber Spline Shaft Flexible Universal Joint Coupling
editor by CX 2024-02-06

China Hangzhou Rigid Conduit Coupling coupling alignment tool

Item Description

Rigid Conduit Coupling
one) For use to join rigid conduit or IMC jointly
2) 24 months high quality guarantee
three) Small order accept
four) Finish: electro-galvanized

CAT# ——– Dimension
IC01 ———- 1/2″
IC02 ———- 3/4″
IC03 ———- 1″
IC04 ———- 1-1/4″
IC05 ———- 1-1/2″
IC06———- 2″
IC07———- 2-1/2″
IC08———- 3″
IC09———- 3-1/2″
IC10 ———-4″

EVT Electrical Co., Ltd. is 1 of the earliest and most professional companies of Electrical Conduits and Fittings in China. Our previous is HangZhou Xihu (West Lake) Dis. Equipment Fittings Plant established in 2003. Over the years CZPT Electrical Co., Ltd. has established steady business interactions with consumers all over the planet.
 

Business name HangZhou CZPT ELECTRICAL,.CO.LTD
Character Maker
ISO ISO9001:2015
Things one hundred workers
Shipping port HangZhou OR ZheJiang
Payment phrase thirty%T/T deposit, stability against copy of B/L
Production cycle three-4weeks
Delivery time About 4weeks right after acquired your deposit
Packagings According to your necessity

US $0.09
/ Piece
|
500 Pieces

(Min. Order)

###

After-sales Service: 24 Months After Shipment
Warranty: 24 Months After Shipment
Connection: Female
Structure: Universal
Flexible or Rigid: Rigid
Material: Carbon Steel

###

Samples:
US$ 0/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:

###

Company name HANGZHOU EVT ELECTRICAL,.CO.LTD
Nature Manufacturer
ISO ISO9001:2015
Stuff 100 workers
Shipping port NINGBO OR SHANGHAI
Payment term 30%T/T deposit, balance against copy of B/L
Production cycle 3-4weeks
Delivery time Around 4weeks after received your deposit
Packagings According to your requirement
US $0.09
/ Piece
|
500 Pieces

(Min. Order)

###

After-sales Service: 24 Months After Shipment
Warranty: 24 Months After Shipment
Connection: Female
Structure: Universal
Flexible or Rigid: Rigid
Material: Carbon Steel

###

Samples:
US$ 0/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:

###

Company name HANGZHOU EVT ELECTRICAL,.CO.LTD
Nature Manufacturer
ISO ISO9001:2015
Stuff 100 workers
Shipping port NINGBO OR SHANGHAI
Payment term 30%T/T deposit, balance against copy of B/L
Production cycle 3-4weeks
Delivery time Around 4weeks after received your deposit
Packagings According to your requirement

Functions and Modifications of Couplings

A coupling is a mechanical device that connects two shafts and transmits power. Its main purpose is to join two rotating pieces of equipment together, and it can also be used to allow some end movement or misalignment. There are many different types of couplings, each serving a specific purpose.

Functions

Functions of coupling are useful tools to study the dynamical interaction of systems. These functions have a wide range of applications, ranging from electrochemical processes to climate processes. The research being conducted on these functions is highly interdisciplinary, and experts from different fields are contributing to this issue. As such, this issue will be of interest to scientists and engineers in many fields, including electrical engineering, physics, and mathematics.
To ensure the proper coupling of data, coupling software must perform many essential functions. These include time interpolation and timing, and data exchange between the appropriate nodes. It should also guarantee that the time step of each model is divisible by the data exchange interval. This will ensure that the data exchange occurs at the proper times.
In addition to transferring power, couplings are also used in machinery. In general, couplings are used to join two rotating pieces. However, they can also have other functions, including compensating for misalignment, dampening axial motion, and absorbing shock. These functions determine the coupling type required.
The coupling strength can also be varied. For example, the strength of the coupling can change from negative to positive. This can affect the mode splitting width. Additionally, coupling strength is affected by fabrication imperfections. The strength of coupling can be controlled with laser non-thermal oxidation and water micro-infiltration, but these methods have limitations and are not reversible. Thus, the precise control of coupling strength remains a major challenge.
gearbox

Applications

Couplings transmit power from a driver to the driven piece of equipment. The driver can be an electric motor, steam turbine, gearbox, fan, or pump. A coupling is often the weak link in a pump assembly, but replacing it is less expensive than replacing a sheared shaft.
Coupling functions have wide applications, including biomedical and electrical engineering. In this book, we review some of the most important developments and applications of coupling functions in these fields. We also discuss the future of the field and the implications of these discoveries. This is a comprehensive review of recent advances in coupling functions, and will help guide future research.
Adaptable couplings are another type of coupling. They are made up of a male and female spline in a polymeric material. They can be mounted using traditional keys, keyways, or taper bushings. For applications that require reversal, however, keyless couplings are preferable. Consider your process speed, maximum load capacity, and torque when choosing an adaptable coupling.
Coupling reactions are also used to make pharmaceutical products. These chemical reactions usually involve the joining of two chemical species. In most cases, a metal catalyst is used. The Ullmann reaction, for instance, is an important example of a hetero-coupling reaction. This reaction involves an organic halide with an organometallic compound. The result is a compound with the general formula R-M-R. Another important coupling reaction involves the Suzuki coupling, which unites two chemical species.
In engineering, couplings are mechanical devices that connect two shafts. Couplings are important because they enable the power to be transmitted from one end to the other without allowing a shaft to separate during operation. They also reduce maintenance time. Proper selection, installation, and maintenance, will reduce the amount of time needed to repair a coupling.
gearbox

Maintenance

Maintenance of couplings is an important part of the lifecycle of your equipment. It’s important to ensure proper alignment and lubrication to keep them running smoothly. Inspecting your equipment for signs of wear can help you identify problems before they cause downtime. For instance, improper alignment can lead to uneven wear of the coupling’s hubs and grids. It can also cause the coupling to bind when you rotate the shaft manually. Proper maintenance will extend the life of your coupling.
Couplings should be inspected frequently and thoroughly. Inspections should go beyond alignment checks to identify problems and recommend appropriate repairs or replacements. Proper lubrication is important to protect the coupling from damage and can be easily identified using thermography or vibration analysis. In addition to lubrication, a coupling that lacks lubrication may require gaskets or sealing rings.
Proper maintenance of couplings will extend the life of the coupling by minimizing the likelihood of breakdowns. Proper maintenance will help you save money and time on repairs. A well-maintained coupling can be a valuable asset for your equipment and can increase productivity. By following the recommendations provided by your manufacturer, you can make sure your equipment is operating at peak performance.
Proper alignment and maintenance are critical for flexible couplings. Proper coupling alignment will maximize the life of your equipment. If you have a poorly aligned coupling, it may cause other components to fail. In some cases, this could result in costly downtime and increased costs for the company.
Proper maintenance of couplings should be done regularly to minimize costs and prevent downtime. Performing periodic inspections and lubrication will help you keep your equipment in top working order. In addition to the alignment and lubrication, you should also inspect the inside components for wear and alignment issues. If your coupling’s lubrication is not sufficient, it may lead to hardening and cracking. In addition, it’s possible to develop leaks that could cause damage.
gearbox

Modifications

The aim of this paper is to investigate the effects of coupling modifications. It shows that such modifications can adversely affect the performance of the coupling mechanism. Moreover, the modifications can be predicted using chemical physics methods. The results presented here are not exhaustive and further research is needed to understand the effects of such coupling modifications.
The modifications to coupling involve nonlinear structural modifications. Four examples of such modifications are presented. Each is illustrated with example applications. Then, the results are verified through experimental and simulated case studies. The proposed methods are applicable to large and complex structures. They are applicable to a variety of engineering systems, including nonlinear systems.
China Hangzhou Rigid Conduit Coupling     coupling alignment toolChina Hangzhou Rigid Conduit Coupling     coupling alignment tool
editor by czh 2022-12-16

Gear Cost made in China – replacement parts – in Toronto Canada Coupling Flange Rigid Pin Spacer HRC Mh Nm Fenaflex Spacer Motor Shaft Universal Half Oldham Reducer Spline Tyre Drive Grid EPT al Elastomeric with top quality

Gear  Cost  made in China - replacement parts -  in Toronto Canada  Coupling Flange Rigid Pin Spacer HRC Mh Nm Fenaflex Spacer Motor Shaft Universal Half Oldham Reducer Spline Tyre Drive Grid EPT al Elastomeric with top quality

We – EPG Team the bigge EPT gearbox & motors , vee pulleys, timing pulleys, couplings and gears manufacturing facility in China with 5 diverse branches. For much more particulars: Cellular/whatsapp/telegram/Kakao us at: 0086~13083988828 13858117778 0571 88828

             Gear Coupling Flange Rigid PIN Spacer HRC MH NM               Fenaflex Spacer motor shaft common 50 % oldham reducer                       spline tyre travel grid mechanical elastomeric

We – EPG Group the bigge EPT gearbox & motors , vee pulleys, timing pulleys, couplings and gears manufacturing unit in China with 5 different branches. For far more specifics: Mobile/whatsapp/telegram/Kakao us at: 0086~13083988828 13858117778 0571 88828 The use of unique equipment manufacturer’s (OEM) component figures or trademarks , e.g. CASE® and John Deere® are for reference needs only and for indicating merchandise use and compatibility. Our firm and the shown substitution parts contained herein are not sponsored, accredited, or produced by the OEM.

Gear  Cost  made in China - replacement parts -  in Toronto Canada  Coupling Flange Rigid Pin Spacer HRC Mh Nm Fenaflex Spacer Motor Shaft Universal Half Oldham Reducer Spline Tyre Drive Grid EPT al Elastomeric with top quality

Gear  Cost  made in China - replacement parts -  in Toronto Canada  Coupling Flange Rigid Pin Spacer HRC Mh Nm Fenaflex Spacer Motor Shaft Universal Half Oldham Reducer Spline Tyre Drive Grid EPT al Elastomeric with top quality

Gear  Cost  made in China - replacement parts -  in Toronto Canada  Coupling Flange Rigid Pin Spacer HRC Mh Nm Fenaflex Spacer Motor Shaft Universal Half Oldham Reducer Spline Tyre Drive Grid EPT al Elastomeric with top quality

Power wholesaler made in China – replacement parts – in Dehradun India Lock Coupling Keyless Rigid Coupling Shaft Hub Coupling with top quality

Power  wholesaler  made in China - replacement parts -  in Dehradun India  Lock Coupling Keyless Rigid Coupling Shaft Hub Coupling with top quality

We – EPG Team the bigge EPT gearbox & motors , vee pulleys, timing pulleys, couplings and gears manufacturing facility in China with 5 distinct branches. For more information: Cell/whatsapp/telegram/Kakao us at: 0086~13083988828 13858117778 0571 88828

Power Lock coupling,Keyless Rigid Coupling, Shaft Hub Coupling

Effortless installed and removed: no heating, cooling or knocking whilst set up.
Releasing and pushing out screws with out hanging.

Random axial placement and radial direction for installation.

Simple opearation in slim space.

Simple opearation with giant machine elements.
Cost-free from angular and axial backlash.
Overload defense in some events (prevent overload slipping).
Key slot can be additional to avert overload slipping.
Shaft and hub can be developed more compact,lighter, co EPT and area saving.
Saving co EPT by reducing machining precision of shaft and hole.

Welcome to send us your product drawings for quotation.

Small quantity order is appropriate.

We shell out consideration to your inquriy, and just take quotation as our important work.

 

ZheJiang EPT Electrical EPT Gear Co., Ltd

Contact guy: Austin.Wang

We – EPG Group the bigge EPT gearbox & motors , vee pulleys, timing pulleys, couplings and gears manufacturing facility in China with 5 diverse branches. For more particulars: Mobile/whatsapp/telegram/Kakao us at: 0086~13083988828 13858117778 0571 88828 The use of authentic gear manufacturer’s (OEM) portion figures or logos , e.g. CASE® and John Deere® are for reference functions only and for indicating solution use and compatibility. Our business and the listed substitute parts contained herein are not sponsored, approved, or made by the OEM.

Power  wholesaler  made in China - replacement parts -  in Dehradun India  Lock Coupling Keyless Rigid Coupling Shaft Hub Coupling with top quality

Power  wholesaler  made in China - replacement parts -  in Dehradun India  Lock Coupling Keyless Rigid Coupling Shaft Hub Coupling with top quality

Power  wholesaler  made in China - replacement parts -  in Dehradun India  Lock Coupling Keyless Rigid Coupling Shaft Hub Coupling with top quality

Grooved price China in Kota India Rigid Coupling for Fire Sprinkler System with top quality

Grooved  price  China  in Kota India  Rigid Coupling  for Fire Sprinkler System with top quality

We – EPG Group the bigge EPT gearbox & motors , vee pulleys, timing pulleys, couplings and gears factory in China with 5 different branches. For more details: Mobile/whatsapp/telegram/Kakao us at: 0086~13083988828 13858117778 0571 88828

Product Name Ductile iron grooved rigid coupling
Product series 1)Rigid coupling, Flexible coupling,Reducing flexible coupling,Shoulder flexible coupling,Angle pad coupling,Heavy duty flexible coupling,Boltless coupling
2)Grooved equal tee, Reducing tee,Mechanical tee
3)90 degree elbow, 45 degree elbow, 22.5 degree elbow, 11.25 degree elbow
4)Grooved equal cross
5)Grooved or Thread concentric reducer and eccentric reducer
6)Grooved flange coupling and flange adaptor
7)Cap end
Brand Xihu (We EPT Lake) Dis.
Certification FM/UL/CE/CCC/ISO
Size 1-12 inch
Material Ductile iron ASTM A536
Working pressure 300Psi/2.07Mpa
Gasket EPDM
Packing 1)Carton box,Plywood pallet with plastic film
2)Wood case
3)As per cutomer’s requirement
Delivery Time 30 days after receiving deposit payment
Payment terms T/T or L/C at sight
Application 1)Automatic sprinkler system for fire protection on commercial,civil and munisipal constructions like water supplying,gas supplying,heat supplying,etc.
2)Industrial pipeline system on shipping, mine, oil field, textile,powder plant,etc.
3)Pipeline system on subway station,railway station,airport,seaport,bridge,etc.

Bolts and Nuts
Heat treated and electro galvanized bolts with oval neck, and heavy duty hexagon nuts.
Track head meet to the physical and chemical requirements of ASTM A-449 and physical requirements of ASTM A-183.
Rubber Gasket

FAQ
1.What is your MOQ?
Our MOQ is usually 1 Pallet
2.What is your delievery time?
The time of delievery is about 30 days.
3.What is the shipping port?
We ship the goods by HangZhou port.
4.What is your payment terms?
We accept 30% T/T in advance,70% payment before shipment or 100% L/C at sight.
5.What is the location of your company?
Our company is located in the HangZhou city,ZheJiang Province,China.
6.How about the samples?
We could send you the samples but transport fee be paid by you pls.

ZheJiang Xihu (We EPT Lake) Dis. Fire Technology Co.,Ltd,is a professional manufacture of groovedpipe fittings with over 12 years experience.All products have FM UL CE  ceritifications.Currently products have been exported to more than 20 countries,like America,Canada,Mexico,Chile,Peru,Brazil,Columbia,Australia,Italy,Romania,Dubai,Saudi Araba,South Africa,Bangladesh,etc.
There are two automatcic casting line in our factory,one is  DISA D 3 Series casting line ,Its the fir EPT advance casting machine in China now,we purchase this high-technology machine from DENMARK.It could reach no environment pollution standard and need less workers to operate during the process flows.Which produce products with higher and more stable quality.Besides,our factory have CNC lathe machine,Modeling machine center,Automatic coating and packaging line.
Choose us pls,we believe could to be your good partner!
We sincerely welcome you to visit our factory,any further question,feel free to contact us .

 

We – EPG Group the bigge EPT gearbox & motors , vee pulleys, timing pulleys, couplings and gears factory in China with 5 different branches. For more details: Mobile/whatsapp/telegram/Kakao us at: 0086~13083988828 13858117778 0571 88828

The use of original equipment manufacturer’s (OEM) part numbers or trademarks , e.g. CASE® and John Deere® are for reference purposes only and for indicating product use and compatibility. Our company and the listed replacement parts contained herein are not sponsored, approved, or manufactured by the OEM.

Grooved  price  China  in Kota India  Rigid Coupling  for Fire Sprinkler System with top quality

Grooved  price  China  in Kota India  Rigid Coupling  for Fire Sprinkler System with top quality

UL price China in Basra Iraq Listed, FM Approved, Standard 5′′ Galvanized Grooved Rigid Coupling with top quality

UL  price  China  in Basra Iraq  Listed, FM Approved, Standard 5′′ Galvanized Grooved Rigid Coupling with top quality

We – EPG Group the bigge EPT gearbox & motors , vee pulleys, timing pulleys, couplings and gears factory in China with 5 different branches. For more details: Mobile/whatsapp/telegram/Kakao us at: 0086~13083988828 13858117778 0571 88828

Ductile Iron Pipe Fittings Grooved Coupling 

Product Details         FM/UL/CE Ductile Iron Grooved Fittings for Fire protection System

 

Material Ductile ca EPT iron conforming to ASTM A-536, Grade 65-45-12
Surface Treatment  Epoxy powder coating (Red color- RAL3000; Orange)Optional: Galvanized (Zinc Plated, HDG Or Dip painted)
Size  1″-12″
Working Pressure 300PSI
Cerification  ISO 9001:2008,FM,UL,CCC and CE approved
Connect End Type   Grooved end ,Thread end 
Technology  Casting
Payment  by T/T,L/C
Structure type 1) Rigid Coupling,Flexible Coupling, Reducing Flexible Coupling
2) Long Radius and Short Radius Elbow (90°/45°/22.5°/11.25°)
3) Equal Tee, Grooved Reducing Tee, Grooved Reduing Tee(Threaded outlet)
4) Grooved Mechanical Tee,Grooved Mechanical Cross
5) Equal Cross, Grooved Reducing Cross
6) Grooved Reducer, Threaded Reducer
7) Adapter Flange, Grooved Split Flange
8) Cap,End Cap

 Note:
 

ZheJiang XIHU (WE EPT LAKE) DIS. FIRE TECHNOLOGY CO., LTD

• XIHU (WE EPT LAKE) DIS. FIRE TECHNOLOGY is a large-scale manufacturer specialized in production of Ductile  iron Grooved coupling and fittings .We have 350 employees, including 185 professional technicians, 15 senior engineers. Annual capacity is over 30000 Tons. 

• Products are on sale over 300 cities of China and exported to the United State, South Africa and more than 30 countries and areas.

• Our factory have two autoEuropematic HangZhou EPT casting lines , One DISAMATIC 3 molding line from Denmark, the production process use fully automatic in tel: +86~13 0571 88828ligent control system, we have CNC lathe, Mold machining center, Automatic coating and packaging line and so on. 

• With Many years experience manufacturing pipe joining system products, we’ve created ”XIHU (WE EPT LAKE) DIS.” to be a brand you can trust.

Te EPT and Certificate
i

• Products tests include thorough and continuous production inspection and regular performance tests. The production inspection is following ISO9001:2000 Quality Management System. The performance testes are running in accordance with UL213, AWWA C606 and GB5135.11, GB8259 requirements.

• Casting material is inspected by spectrometer and physical analysis,computerized spectrographic and carbon-sulphur analysis. Tensile, metallographic and impact tests are performed Daily.

• The production inspection include in-coming inspection, process inspection and final inspection, covers material.

• Surface and dimension check. All those steps are running for each heat number material. Besides,100% leakage te EPT is applied on fittings.

• The performance tests include sealing, hydrostatic pressure, bending moment test, hot/cold temperature

• gasket test, water hammer te EPT and fire exposure test.

Production Flow and EPT Disa Production Line 

Large Warehouse 
Ensure the stability of supply and the speed of delivery

Package and Delivery
 

Packaging  In poly wooden case,or in carton on the poly wooden pallets,we can pack products as per custmon’s requirement.
Delivery detail normally within 15days,depending on order quantity.

Sincerely Service

Welcome to our factory and waiting for meet you on the fire protection exhibition.
 

FAQ
1.What is your MOQ?
 Our MOQ is usually 1 pallet.
2.What is your delivery time?
 The time of delivery is around 20-30days.
3.What is the shipping port?
  We ship the goods via HangZhou 
4.What is your payment terms?
  We accept 30% T/T in advance,70% in the period of shipment or 100% L/C.
5.How should I contact you?
  You can send us an email by click Contact Supplier bottom.
6.What is the location of your factory?
  Our factory is located in HangZhou City, ZheJiang Province, China.
If you would like to have a visit, you are much welcome.
7.How about the samples?
 We could send you the samples ,mo EPT samples are free to send to mo EPT places in China. If sent to EPT countries, transport fee should be paid by you.

With mature and advance technology, quality product, prudent working style, we believe we will be your be EPT supplier!

We – EPG Group the bigge EPT gearbox & motors , vee pulleys, timing pulleys, couplings and gears factory in China with 5 different branches. For more details: Mobile/whatsapp/telegram/Kakao us at: 0086~13083988828 13858117778 0571 88828

The use of original equipment manufacturer’s (OEM) part numbers or trademarks , e.g. CASE® and John Deere® are for reference purposes only and for indicating product use and compatibility. Our company and the listed replacement parts contained herein are not sponsored, approved, or manufactured by the OEM.

UL  price  China  in Basra Iraq  Listed, FM Approved, Standard 5′′ Galvanized Grooved Rigid Coupling with top quality

UL  price  China  in Basra Iraq  Listed, FM Approved, Standard 5′′ Galvanized Grooved Rigid Coupling with top quality