... 110mm 2.Bore:80mm 3.Input hose diameter:76mm Mud Pump BW--320It is horizontal, tri-cylinder, reciprocating single-acting ... piston pump, and it is with two kinds of cylinder diameters ... the deepest, and it can also perfue slurry. This pump is power saving, easy to operate, high quality and ... factory with power and air chamber 1000 Mud Pump BW-320