API mounted ball valve development

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API mounted ball valve development

Post by cisco on Wed Jan 26, 2011 9:18 am

API mounted ball valve means API trunnion mounted ball valve. The coating material of this kind of valve meets the requirements of API standards. API is the main U.S trade association for the oil and natural gas industry, representing about 400 corporations involved in production, refinement, distribution.
An API mounted ball valve is often preferred as it has a distinctive lower operating torque than the floating ball valve since pressure forces tending to push the ball downstream are supported by a trunnion rather than the valve seat. API Mounted Ball Valve is fixed, so that it does not move within medium pressure. It is widely used in valves that can endure high pressure. To decrease the operation torque and increase sealing reliability, lubricated ball valves are adopted in recent years.


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