... the field of mining, metallurgical, chemical and water conservancy industries BW-150 pump is one of the principleequipment for geological drilling ... engine according to the requirement of the customer in order. BW-150 MUD PUMP SpecsTypeHorizontal, triplex, reciprocating, single acting piston ... 72,47,32Discharge pressure (Mpa)1.8,3.2,4.8,7.0,2.3,4.0,6.0,7.0Volumetric efficiency85 ...