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Top Entry Ball Valve (NSW)

ReflowX SQU: 408

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    4-6 Weeks
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TOP ENTRY BALL VALVE USAGE Newsway Valve top entry ball valve is mainly used on pipelines and industrial systems. It has such advantages as top online maintenance function, small fluid resistance, simple structure, reliable sealing, convenient operation and maintenance, rapid on-off operation, flexible opening and closing, etc. The driving modes include manual operation, worm and worm gear transmission, pneumatic operation and electric operation. The connection ends can be flange or butt welding. Standard Design and manufacture standard: ASME B16.34, API608, API6D and BS5351 End flange: ASME B16.5 Butt Weld: ASME B16.25 Inspection and Testing: API598 Face to face : ASME16.10 and DIN3202 Fire Safe Test : API 607/API 6FA STRUCTURAL FEATURES 1. Integral structure The body adopts the integral structure, so as to ensure that it has enough strength and rigidity under the maximum rated working pressure. The valve trims have been carefully designed and selected to ensure reliability under various service conditions. The sufficient wall thickness and the connection bolts of high strength are very helpful to the maintenance and servicing of valves and are able to endure pipelines stress. 2. Top Entry Structure The vale adopts the top entry structure. The most distinctive difference between this kind of valve and others is that the online maintenance function can be realized without the need of removing the valve from the pipeline. The seat adopts the concession type seat structure, and the rear end of the seat retainer is set as oblique angle to prevent impurities accumulated on the seat from influencing the concession of seat.

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