TYPE 7
Used Pressure: below 5kg/cm2 (vacuum degree reached to 750mmHg)
Revolution Speed: below 10,000 R.P.M.
Temperature: -20C to 120C
Fluids: Aqueous solution of antirust or anticer cleaned water, warm water lubricant, turbid water.
Used in Cooling pump of automobile engine, high speed domestic pump, general pump, small-typed centrifugal pump, water pump.