March 1, 2021

Operating Principle and Capabilities: The series SYF roots vacuum pump is with overflow valve. The figure-of-eight rotors are counter-rotating at a frequent velocity within the pump housing for suction and exhaust of fuel. Two rotors are supported by two bearings and synchronized by a gear, which guarantees these two rotors in specified relative positions. They can be near to one another and to the housing devoid of real contacting, so lubrication is needless from the working housing. The very carefully balanced operating parts and large precision bevel wheels ensue the pump be operated stably and constantly under the affliction of high-pressure variation. Dynamic seal part uses our patent engineering and imported oil seals, the vibration volume of shaft within the shaft seals is controlled to significantly less than 0.02mm. A gravity valve is installed among the suction and exhaust a part of the pump. The function of your gravity valve is as follows, when the strain difference involving the suction and exhaust aspect is in excess of the weight with the valve, the valve opens automatically, which can make the pressure distinction usually preserve within a fixed controllable value, the value will be the allowable highest stress variation to be sure the pump function usually and to ensure in fact, the roots vacuum pump with overflow valve is actually a variety of overload self-protective pump. Series SYF roots vacuum pump with overflow valve has substantially higher velocity at rather decrease inlet strain and it can be possessed overload self-protective perform. As it is really a pump of dry clearance seal development, if a specific pumping speed fee 15 and an greatest vacuum should be obtained, it’s important to supply a reduce inlet pressure for cutting down the back flow, therefore, a pump needs to be backed in use, roots vacuum pump should be began quickly just after its inlet strain reaches a permissible worth for economization. It’s permit to pick various types of pump as the backing pump for factual demands, this kind of as oil seal pump and liquid ring vacuum pump. When pumping the gas containing significant volume of vapor, the liquid ring vacuum pump could be the perfect backing pump.