Cornerstone Valve (CV) is a USA manufacturer headquartered in Stafford, TX. With our streamlined engineering and manufacturing process we are positioned to provide custom engineered valve solutions for your application; usually with a shorter delivery than our competitors. CV produces soft and metal seated ball valves from ANSI 150 to API 10K/ANSI 4500 and metal seated ball valves to API 20K+. Since 1990 Cornerstone Valve has provided global leaders with flow control solutions in high pressure, erosive slurry and high/low temperature applications. Providing valves to the oil and gas industry, chemical and refining industry, sub-sea, power, nuclear and many other industries, our clients require quick turn around. Our conservative robust valve configurations and exacting engineering and manufacturing methods will provide you with the safest, most reliable valves on the market. CORNERSTONE’s valves are available globally. Our representatives can be found in most major countries.
Privately held and growing, Cornerstone Valve is an API 6A & 6D licensed corporation. We are ISO certified with manufacturing headquarters in Houston, TX USA. We specialize in trunnion mounted, floating ball, gate/globe/check, and thru conduit expanding gate valves and provide a variety of severe service valves. Our products are engineered-to-order, with domestic or hand-picked international sourcing options with quality every step of the way. With quick turnaround and competitive pricing, Cornerstone Valve would be proud to earn your business.
The origin of the word dates back to 1250-1300.
There are numerous definitions including “the foundation on which something is constructed or developed….and is essential or basic.”
These things are true about our company, but the reason this company was named ‘CORNERSTONE Valve’ is in stone masonry, the cornerstone is the single most important stone in the construction of any stone building. The entire strength of the building is based upon perfect placement of this one stone which supports the outer walls.