Root Vacuum Pumps

Working Principle and Options:
The series SYF roots vacuum pump is with overflow valve. The figure-of-eight rotors are counter-rotating at a constant speed within the pump housing for suction and exhaust of gasoline. Two rotors are supported by two bearings and synchronized by a gear, which assures these two rotors in particular relative positions. They are really near to each other and to the housing with no real contacting, so lubrication is unnecessary during the operating housing. The cautiously balanced operating components and higher precision bevel wheels ensue the pump be operated stably and continuously under the condition of high-pressure big difference. Dynamic seal component use our patent technological innovation and imported oil seals, the vibration quantity of shaft within the shaft seals is controlled to less than 0.02mm.
A gravity valve is put in in between the suction and exhaust a part of the pump. The perform in the gravity valve is as follows, when the stress distinction in between the suction and exhaust element is in excess of the excess weight in the valve, the valve opens automatically, which can make the stress variation always preserve in a fixed controllable value, the value will be the allowable highest strain distinction to make sure the pump function generally and in order that in fact, the roots vacuum pump with overflow valve is actually a form of overload self-protective pump.
Series SYF roots vacuum pump with overflow valve has substantially increased speed at fairly reduced inlet strain and it is actually possessed overload self-protective function. Because it is really a pump of dry clearance seal development, if a certain pumping pace fee and an ultimate vacuum need to be obtained, it is actually required to provide a reduced inlet stress for minimizing the back flow, consequently, a pump has to be backed in use, roots vacuum pump should be began soon soon after its inlet stress reaches a permissible worth for economization.
It truly is permit to select various varieties of pump because the backing pump for factual demands, this kind of as oil seal pump and liquid ring vacuum pump. When pumping the gasoline containing massive volume of vapor, the liquid ring vacuum pump is the best backing pump.