API forged gate valve

    API forged gate valve,also known as power plant specific valve,is mainly suitable for cutting off or connecting pipeline media in various systems of thermal power plants.Applicable media:non corrosive media such as water vapor.Compared with other valve products,power plant valves have the characteristics of high temperature and high pressure,unique self sealing design,and more reliable high-pressure sealing.The API forged gate valve adopts advanced manufacturing processes such as pressure self tightening sealing structure,wear-resistant and high temperature resistant sealing surface material,quenched and surface nitrided valve stem,ensuring long-term stable operation of teh valve.In addition,power plant valves also have low fluid resistance;Simple structure;The advantage of simple operation makes it an indispensable key equipment in power plant systems.

American standard power station gate valve structure characteristics

① Adopting flexible wedge gate, the closing torque is small and easy to seal, also will not cause wedge off easily when the temperature changes.

Adopting replaceable back seat structure, it can assistant the packing seal, and maintain easily.

② This valve adopts welded connected seat with simple technique.

③ The middle path of the valve is adopting self-sealing structure, which can seal more effectively.

④ The sealing face is welded with abrasion-proof material which can strengthen the sealing performance and lengthen the usage life.

American standard power station valve execution standard

Design and manufacture standard: ASME B16.34-2004

Inspection and test standard: ASME B16.34-2004

Welding end dimension standard: ASME B16.25-2003

The face to face dimension standard:  ASME B16.10 -2000

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