March 1, 2021

Operating Principle and Functions: The series SYF roots vacuum pump is with overflow valve. The figure-of-eight rotors are counter-rotating at a continuous velocity within the pump housing for suction and exhaust of fuel. Two rotors are supported by two bearings and synchronized by a gear, which ensures these two rotors in specified relative positions. These are close to to one another and also to the housing without the need of real contacting, so lubrication is pointless during the operating housing. The cautiously balanced working components and substantial precision bevel wheels ensue the pump be operated stably and constantly beneath the condition of high-pressure big difference. Dynamic seal aspect makes use of our patent technology and imported oil seals, the vibration volume of shaft within the shaft seals is managed to less than 0.02mm. A gravity valve is installed between the suction and exhaust part of the pump. The perform of your gravity valve is as follows, when the pressure distinction involving the suction and exhaust portion is over the weight of your valve, the valve opens automatically, which tends to make the stress distinction normally keep in a fixed controllable value, the value would be the allowable highest strain variation to make certain the pump get the job done commonly and so that in fact, the roots vacuum pump with overflow valve is a form of overload self-protective pump. Series SYF roots vacuum pump with overflow valve has substantially increased pace at fairly decrease inlet pressure and it really is possessed overload self-protective perform. Because it is really a pump of dry clearance seal construction, if a specific pumping speed charge 15 and an greatest vacuum need to be obtained, it really is required to supply a reduced inlet pressure for lowering the back movement, as a result, a pump needs to be backed in use, roots vacuum pump should be started soon after its inlet stress reaches a permissible value for economization. It really is permit to select diverse varieties of pump as the backing pump for factual needs, such as oil seal pump and liquid ring vacuum pump. When pumping the gasoline containing large volume of vapor, the liquid ring vacuum pump would be the excellent backing pump.