GB check valve

    GB check valve also known as check valve,one-way valve,etc.,is an automatic valve.GB check valve can ensure that fluid can only flow in one direction, prevent medium backflow,avoid damage or unnecessary pressure fluctuations to the system,prevent pump and drive motor from reversing,and protect system equipment from backflow.Its working principle is to open the valve disc by relying on the forward flow of medium,and push the valve disc to close when the medium flows back.It has the advantages of high reliability,energy conservation,high safety,and economic practicality,and is suitable for pipelines in various working conditions such as petroleum,chemical,and thermal power plants.The applicable media include water,oil,steam,etc.

GB check valve structure characteristics

① the selection of materials, in line with domestic and foreign standards, the quality of materials is high.

② the sealing pair is advanced and reasonable, the sealing surface of the valve disc and seat is made of iron base alloy or Stellite cobalt-based cemented carbide surfacing surface, good wear resistance, high temperature resistance, corrosion resistance, abrasion resistance and long service life.

③products according to the national standard BS 1868 design and manufacture.

④ Various pipe flange standards and flange sealing types can be used to meet various engineering needs and user requirements.

⑤ the valve body material variety is complete, the gasket can be reasonably selected according to the actual working conditions or user requirements, and can be applied to a variety of pressure, temperature and medium conditions.

⑥ We can design and manufacture check valves with different structure forms and connection forms according to user requirements, which can be used for various equipment.

GB check valve valve execution standard

Design and Manufacture standard: BS1868

Franged size standard: ANSI B16.5

Structure face to face length standard: ANSI B16.10

Pressure and Temperature standard: ANSI B16.34

Inspection and testing standard: API 598

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