December 8, 2020

Working Principle and Characteristics:
The series SYF roots vacuum pump is with overflow valve. The figure-of-eight rotors are counter-rotating at a consistent speed inside the pump housing for suction and exhaust of gasoline. Two rotors are supported by two bearings and synchronized by a gear, which guarantees these two rotors in selected relative positions. They’re close to to one another and also to the housing without having actual contacting, so lubrication is needless during the doing work housing. The cautiously balanced operating parts and higher precision bevel wheels ensue the pump be operated stably and continuously under the ailment of high-pressure difference. Dynamic seal portion use our patent technology and imported oil seals, the vibration volume of shaft around the shaft seals is controlled to much less than 0.02mm.
A gravity valve is installed amongst the suction and exhaust part of the pump. The perform on the gravity valve is as follows, when the pressure big difference among the suction and exhaust component is above the bodyweight in the valve, the valve opens immediately, which makes the strain distinction generally keep inside a fixed controllable worth, the value is the allowable highest pressure big difference to make sure the pump perform usually and in order that the truth is, the roots vacuum pump with overflow valve is usually a type of overload self-protective pump.
Series SYF roots vacuum pump with overflow valve has considerably increased velocity at relatively lower inlet stress and it is actually possessed overload self-protective perform. Because it is really a pump of dry clearance seal construction, if a specific pumping speed price and an greatest vacuum need to be obtained, it is important to supply a reduced inlet stress for lowering the back movement, as a result, a pump should be backed in use, roots vacuum pump needs to be begun soon following its inlet stress reaches a permissible worth for economization.
It truly is allow to pick various kinds of pump since the backing pump for factual needs, this kind of as oil seal pump and liquid ring vacuum pump. When pumping the fuel containing huge level of vapor, the liquid ring vacuum pump could be the ideal backing pump.