... in agriculture 3) Process: casting and machining Pressure Safety Valve Details:1. Material: WCC,WCB, 86202. Processes: Sand casting 3. ... , standing machine Tool, machine tools, universal miller, standing drill machine, bench drill machine, dry sand mix miller, CNC machining center Etc ... used in water pump as a part of presure reducing valve.10. Material for this part is WCC and WCB.11 ...