Cornerstone Valve

Cornerstone Valve is a manufacturer of Ball valves, Swing Check valves and Rotary Control valves for Liquid and High-pressure Gas applications. Since 1990, our core expertise is manufacturing metal seated bubble tight leakage Ball Valves. All valves we produce are custom engineered to suit customer applications. With humble start as a supplier to US Navy for submarine program, we have grown into Oil & Gas, Aerospace, Petrochemical, Power Generation markets and are continuing to grow into new markets. We have huge installed base of valves with metal-metal seating, solids proofing and work in challenging applications such as Gas dehydration, sour services, and with loaded fluids. Our raw materials are sourced domestically or from approved sources in Western Europe. We hold API 6D, API 6DSS, API 6A, API Q1 and ISO 9001-2000 certifications.
Please visit our website at www.cornerstonevalve.com. Proudly "Our Valves Work!".

Another inline repairable TP-1 for a high pressure superheater application, 2425 psig steam at 1055 F°. F91 body material with Inconel trim. 2" sch. 160 extensions and butt weld-ends.

Contact [email protected] for more info on our severe service power generation solutions.

Cornerstone's getting ready to ship some 12" 10K Top Entry, API 6A PSL-3G, Metal Seated, Inline Repairable, ball valves.

Contact [email protected] for more info on CV's "EZ-Turn" inline repairable 10k solutions.