ROOTS VACUUM PUMPS
Operating Principle and Features: The series SYF roots vacuum pump is with overflow valve. The figure-of-eight rotors are counter-rotating at a continuous velocity inside the pump housing for suction and exhaust of gas. Two rotors are supported by two bearings and synchronized by a gear, which guarantees these two rotors in specific relative positions. They may be near to each other and to the housing without the need of real contacting, so lubrication is unnecessary within the functioning housing. The cautiously balanced operating components and substantial precision bevel wheels ensue the pump be operated stably and continuously below the situation of high-pressure variation. Dynamic seal element employs our patent technological innovation and imported oil seals, the vibration quantity of shaft on the shaft seals is controlled to less than 0.02mm. A gravity valve is installed involving the suction and exhaust part of the pump. The function in the gravity valve is as follows, once the stress difference among the suction and exhaust aspect is in excess of the bodyweight of your valve, the valve opens automatically, which helps make the strain big difference normally preserve inside a fixed controllable worth, the worth would be the allowable highest strain difference to ensure the pump do the job generally and in order that in truth, the roots vacuum pump with overflow valve is often a form of overload self-protective pump. Series SYF roots vacuum pump with overflow valve has substantially greater pace at relatively reduce inlet stress and it truly is possessed overload self-protective perform. As it can be a pump of dry clearance seal construction, if a particular pumping speed fee 15 and an greatest vacuum must be obtained, it is required to provide a decrease inlet strain for lowering the back movement, consequently, a pump should be backed in use, roots vacuum pump really should be begun soon immediately after its inlet pressure reaches a permissible worth for economization. It’s allow to select diverse varieties of pump because the backing pump for factual requirements, this kind of as oil seal pump and liquid ring vacuum pump. When pumping the gas containing substantial amount of vapor, the liquid ring vacuum pump is the ideal backing pump.