① Screw pump has constant capability and pressure, smooth running, small vibration and low noise.
② Screw pump has a very high suction capability, It needn tbotoom valve and it needn toften breathe into oil before working.
③ Screw pump has high efficiency long life.
④ The unit assembly system every pump can be supplied as cartrdge pump for foo-, flange or wall mounting, in pedestal-bracket-or flange design.