washing pipe 1.interhcangeable 2.in stock 3.manufactured according to API-7K standard 4.OEM and ... ,000 of interchangebale mud pump parts are made or in stock for all major manufactures such as:mud pump ... 800,T-1000,T-1300,T-1600.GARNDER-DENVER:PZ-7,PZ-8,PZ-9,PZ-10,PZ-11,PZ- ... :10-P-130,12-P-160,8-P-80,7-P-50,K-700,K-700A,K-500,K- ... WILLIAMS :W-440-LP,WILSON600,PPWH. API washing pipe used in Mud Pump Parts