... Steel, Ductile Iron 3.Finishing: EPD Coating 4.Deep Carburized Wear Surface Name: Mud Pump Valve BodyFull Open Plate TypeMaterial: Alloy ... ANSI Y14.51.These parts are used for mud pumps. We also make other parts for mud pumps like valve seat,piston,spring, ... Drilling, Milling, Turning, Boring, Slating, Grinding,, NC/CNC Machining etc.4) Tolerance is controlled by CMM Machine.5) OEM Service6) Special ...