The integrative vacuum pump, with built-in oil circulation system, owns gas and oil separator, which avoids the disadvantage that the product cannot be used in winter and has high failure rate.
The combination of multi-position valve and vacuum pump has good sealing performance as well as simple and flexible operation.
The tank adopts extra-heavy high-tensile steel plate, which is a shape of quadrangle great circular arc, processed by acid washing and phosphorization and has strong anti-corrosion performance; and the tank enlarges the manhole and owns the hole to pull out materials without worries about blocking.
Adopt newly anti-overflow techniques, newly moisture separator and pipeline anti-corrosion ball valve, the latter of which has great sealing performance and long service life.
Enlarge the wheel base.
The hose type sighting tube is to ensure that the fluid level is under control.