Operating Principle and Capabilities:
The series SYF roots vacuum pump is with overflow valve. The figure-of-eight rotors are counter-rotating at a frequent speed within 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 particular relative positions. They can be near to each other and also to the housing with no actual contacting, so lubrication is needless in the doing work housing. The carefully balanced operating parts and higher precision bevel wheels ensue the pump be operated stably and constantly underneath the condition of high-pressure difference. Dynamic seal component use our patent engineering and imported oil seals, the vibration level of shaft around the shaft seals is controlled to significantly less than 0.02mm.
A gravity valve is put in in between the suction and exhaust part of the pump. The function of your gravity valve is as follows, once the strain variation concerning the suction and exhaust element is above the fat from the valve, the valve opens instantly, which helps make the strain variation normally retain in a fixed controllable worth, the value will be the allowable highest strain big difference to ensure the pump do the job commonly and to ensure actually, the roots vacuum pump with overflow valve is usually a form of overload self-protective pump.
Series SYF roots vacuum pump with overflow valve has considerably larger speed at fairly reduced inlet pressure and it really is possessed overload self-protective function. Since it is usually a pump of dry clearance seal construction, if a specific pumping velocity charge and an ultimate vacuum need to be obtained, it really is necessary to supply a reduce inlet stress for lowering the back movement, hence, a pump has to be backed in use, roots vacuum pump needs to be commenced soon soon after its inlet pressure reaches a permissible worth for economization.
It is permit to pick unique types of pump as the backing pump for factual requirements, such as oil seal pump and liquid ring vacuum pump. When pumping the gas containing big volume of vapor, the liquid ring vacuum pump could be the suitable backing pump.