... 4.OEM and small order are welcome The mud pump washing pipes: Spare parts: Over a 1000,000 of interchangebale mud ... full open valves and valve seats,web valves and web valve seats,stuffing box and gland nut,and mud pump gasket and mud pump ... 550;D-300,D-375,D-700.IDECO:T-500,T-800,T-1000,T-1300,T-1600.GARNDER-DENVER:PZ-7,PZ-8, ... WILLIAMS :W-440-LP,WILSON600,PPWH. API washing pipe used in Mud Pump Parts