... TWS-600. Use:YL-600(S)(TWS-600(S))horizontal piston pump is a new single role, bias type, reciprocating triplex ... , cementing, fracturing, etc.. cover well, operation. Is a high-pressure piston pump of choice for well cementing.Characteristics Description1.Reducer of ... size of pumps to reduce weight.5.Main components: bearings, piston, seals, crankshaft W, springs, all imported cases.Main technical ...