API Gate Valve 1. Material:WCB, LCB, CF8, CF8M ect 2. Standard ... 3. NPS:1/2"~48" 4. Class:150LB~2500LB API Gate Valve DescriptionMaterialsWCB, LCB, CF8, CF8M ectNominal Size1/2"~48"Driving ... Materials to oil field and refinery as Steel Pipes, Pipe Fittings, Flange, Valves, Gasket, Petroleum Machinery, Fasteners, UV sterilizer, and ... cooperate with us, and create a bright future together. API Gate Valve