... a new single role, bias type, reciprocating triplex plunger pump. It consists of three parts: power side, ... flow, etc. YL-600(S)(TWS-600(S))intermittent plunger pump for oil well work, such as: acidification, cementing, ... forming a series of interchangeable pump(3” pump 3-1/2” pump 4” pump 4-1/2” pump), to meet different requirements ... (nearly)4,600 LBS(2086kg) Triplex Plunger Pump(fracturing pump)