1,horizontal double-acting reciprocating duplex piston 2,two optional cylinder liners,diameters ... 80mm and 65mm. APPLICATIONS BW-200 mud pump is a horizontal double-acting reciprocating duplex piston pump. It is mainly used for ... is 1000, we use cylinder liner of 65mm. SPECIFICATIONSStyle: Horizontal Type: Double-actingNumber of cylinder: TwoCylinder liner dia.(mm): 80,65Stroke (mm ...