Cornerstone Valve specializes in design and manufacturing of Metal Seated - Zero Leakage Valves for Severe Service Extreme Applications, utilizing the latest industry standards such as API, ASME, ANSI, ISO, etc. Working with customers' requirements; we machine, build, and monogram valves per API 6D / 6A / 6D-SS.
Using a broad spectrum of materials and unique designs, we provide tailor made solutions for your very unique application--providing optimal service for a wide spread in temperature, pressure and media applications. Whether your process requires soft seated or metal seated ball valves in trunnion mounted configurations, CV can custom design and manufacture the product to perform to your requirements.