STV Valve delivery 600LB CF3 GATE VALVE November 21, 2019/in Industry News, News Events /by STVVALVE 10PCS 10″ 600LB Flanged 316L (CF3) Gate Valves, 316L Trim, Lever Op and 20pcs 8″ 150LB 316 Ball Valves with Worm Gear Get in touch and give us your valve challenge. Cost Effective and quick solutions.