Operating Principle and Characteristics:
The series SYF roots vacuum pump is with overflow valve. The figure-of-eight rotors are counter-rotating at a continuous pace inside 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 specific relative positions. They can be near to each other and also to the housing with out real contacting, so lubrication is unnecessary during the doing work housing. The carefully balanced operating elements and high precision bevel wheels ensue the pump be operated stably and constantly under the issue of high-pressure distinction. Dynamic seal aspect use our patent technology and imported oil seals, the vibration level of shaft on the shaft seals is controlled to less than 0.02mm.
A gravity valve is installed involving the suction and exhaust a part of the pump. The perform of your gravity valve is as follows, once the stress big difference involving the suction and exhaust component is above the excess weight with the valve, the valve opens instantly, which can make the strain distinction constantly preserve in a fixed controllable worth, the worth will be the allowable highest strain variation to ensure the pump work commonly and to ensure in reality, 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 greater velocity at fairly decrease inlet stress and it can be possessed overload self-protective function. As it is usually a pump of dry clearance seal development, if a certain pumping velocity price and an greatest vacuum need to be obtained, it’s essential to supply a decrease inlet pressure for reducing the back flow, as a result, a pump needs to be backed in use, roots vacuum pump really should be began soon just after its inlet pressure reaches a permissible value for economization.
It truly is permit to select distinctive varieties of pump since the backing pump for factual requirements, this kind of as oil seal pump and liquid ring vacuum pump. When pumping the fuel containing significant quantity of vapor, the liquid ring vacuum pump could be the great backing pump.