... : red power coating 3) Color: red Red Painted Automatic Pressure Reducing/ Relief valve Details:1. Material: WCC,WCB, 8620 2. Processes ... : Sand casting 3. Testing pressure of products: 16 bars 4. ... USA UL.4. Products covering hydraulic cylinders, pistons, flanges, valves parts, casting and forging parts, engineering goods, etc.5. Quality ...