Red Painted Automatic Pressure Reducing/ Relief valve 1) Material: WCC 2) Surface Treatment: red power coating ... 3) Color: red Red Painted Automatic Pressure Reducing/ Relief valve Details:1. Material: WCC,WCB, 8620 2. Processes: Sand ... , etc.3. Quality Certificates: ISO9001-2000, ISO9001-2008 Quality Assurance System, the USA UL.4. Products covering hydraulic cylinders, pistons, flanges ...