Working Principle and Features:
The series SYF roots vacuum pump is with overflow valve. The figure-of-eight rotors are counter-rotating at a consistent speed within the pump housing for suction and exhaust of fuel. Two rotors are supported by two bearings and synchronized by a gear, which guarantees these two rotors in sure relative positions. They are near to one another and to the housing devoid of actual contacting, so lubrication is pointless while in the operating housing. The meticulously balanced working parts and large precision bevel wheels ensue the pump be operated stably and continuously beneath the condition of high-pressure variation. Dynamic seal element use our patent engineering and imported oil seals, the vibration amount of shaft about the shaft seals is managed to significantly less than 0.02mm.
A gravity valve is set up in between the suction and exhaust part of the pump. The function in the gravity valve is as follows, once the strain difference in between the suction and exhaust aspect is over the weight in the valve, the valve opens immediately, which tends to make the pressure variation always continue to keep within a fixed controllable value, the value could be the allowable highest pressure distinction to be sure the pump operate usually and in order that in actual fact, the roots vacuum pump with overflow valve is usually a sort of overload self-protective pump.
Series SYF roots vacuum pump with overflow valve has considerably increased pace at rather reduce inlet strain and it’s possessed overload self-protective perform. Because it is actually a pump of dry clearance seal building, if a specific pumping pace fee and an greatest vacuum must be obtained, it can be needed to provide a reduce inlet stress for minimizing the back movement, hence, a pump has to be backed in use, roots vacuum pump ought to be begun quickly soon after its inlet stress reaches a permissible value for economization.
It’s allow to pick distinct types of pump because the backing pump for factual demands, such as oil seal pump and liquid ring vacuum pump. When pumping the gasoline containing massive volume of vapor, the liquid ring vacuum pump may be the best backing pump.