... : red power coating 3) Color: red Red Painted Automatic Pressure Reducing/ Relief valve Details:1. Material: WCC,WCB, 8620 2. ... finish: Polishing, oiled (rust-resistant), zinc, nickel, chrome plating, hot galvanized, powder coating and painting 5. Manufacturing equipment: Electric furnace, sand ... mainly used in water pump as a part of presure reducing valve.10. Material for this part is WCC and WCB ...