Features
Consistent pumping performance
Low noise
Equipped with gas ballast port
Steam can be evacuated through exhaust hole and purify the oil in tank
Maintenance and inspection are easy
Because the pump body is machined from a single aluminum block casting, the units is strong and has few parts. Overhauls and other maintenance and inspection work can be done easily and accurately
PVD-1 models
This model enhances the oil volume, the frequency of changing oil can be reduced, and deterioration of oil can be reduced so as to prolong the life span of oil.

Application
Central air-condition, illuminant, refrigeration
Refrigerant injector, liquidcrystal injector, liquid crystal injector
Vacuum freeze drying, vacuum packing
All kinds of vacuum equipments