... , cementing, fracturing, etc.. cover well, operation. Is a high-pressure piston pump of choice for well cementing.Characteristics Description1.Reducer of ... convenient to adapt to different driving routes.2.Pump head can be a body matching the columns of different sizes and ... the total layer, forming a series of interchangeable pump(3” pump 3-1/2” pump 4” pump 4-1/2” pump), to meet different requirements ...