BW250 three-cylinder grouting pump, also known as BW250 mud pump, BW250 grouting machine, is a horizontal three-cylinder reciprocating single-acting piston pump with two cylinder diameters and four-speed variables. The large cylinder liner is used for 1000-meter large-diameter drilling rigs. The cylinder liner is used for 1500m small diameter drilling rigs. BW250 three-cylinder grouting pump [...]