... , twin double acting, reciprocating, piston pump.Price refers to FOB. Detailed parameters: Displacement: 280L/min Discharge pressure: 7Mpa ( ... mud pumps are horizontal, twin double acting, reciprocating, piston pump, adapted well drilling, geological drilling, pile hole drilling, ... life, and so on. Use electrical or diesel power.BBW260 / 7 mud pump is horizontal, triplex, single acting, reciprocating, ...