... pump is a new single role, bias type, reciprocating triplex plunger pump. It consists of three parts: power side, slow down ... pressure, flow, etc. YL-600(S)(TWS-600(S))intermittent plunger pump for oil well work, such as: acidification, cementing, fracturing ... .88 in(607mm)weight (nearly)4,600 LBS(2086kg) Triplex Plunger Pump(fracturing pump)