Wellhead check valves are primarily used to prevent backflow and protect wellhead, production, and pressure-control equipment. They are commonly used in upstream Oil & Gas applications where reliable one-way flow and pressure containment are required.
A wellhead check valve is specifically designed for demanding Oil & Gas wellhead and pressure-control applications, while conventional industrial check valves are generally used in standard pipeline and process systems. Wellhead check valves require appropriate pressure ratings, materials, testing, and specifications for well service.
Selection depends on factors such as working pressure, valve size, process media, operating temperature, material requirements, end connections, PSL, PR, and applicable API 6A specifications. Working with experienced wellhead check valve suppliers can help ensure the correct valve is selected for the application.
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