Root Vacuum Pumps

Working Principle and Features:
The series SYF roots vacuum pump is with overflow valve. The figure-of-eight rotors are counter-rotating at a continual velocity inside the pump housing for suction and exhaust of gas. Two rotors are supported by two bearings and synchronized by a gear, which assures these two rotors in certain relative positions. They are close to to one another and also to the housing without having actual contacting, so lubrication is needless inside the functioning housing. The very carefully balanced working elements and higher precision bevel wheels ensue the pump be operated stably and constantly under the condition of high-pressure variation. Dynamic seal part use our patent technologies and imported oil seals, the vibration volume of shaft around the shaft seals is managed to less than 0.02mm.
A gravity valve is set up among the suction and exhaust part of the pump. The function with the gravity valve is as follows, when the pressure distinction between the suction and exhaust portion is in excess of the fat of your valve, the valve opens automatically, which tends to make the stress big difference usually hold within a fixed controllable worth, the worth is definitely the allowable highest strain distinction to make certain the pump perform normally and to ensure in actual fact, the roots vacuum pump with overflow valve is really a variety of overload self-protective pump.
Series SYF roots vacuum pump with overflow valve has considerably higher speed at somewhat lower inlet stress and it really is possessed overload self-protective function. Because it is actually a pump of dry clearance seal development, if a particular pumping velocity price and an greatest vacuum have to be obtained, it can be important to provide a lower inlet strain for decreasing the back flow, consequently, a pump should be backed in use, roots vacuum pump ought to be started out quickly after its inlet pressure reaches a permissible value for economization.
It really is allow to pick distinct sorts of pump as the backing pump for factual requirements, this kind of as oil seal pump and liquid ring vacuum pump. When pumping the fuel containing huge amount of vapor, the liquid ring vacuum pump is definitely the ideal backing pump.