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  • GB
  • GB Swing Check Valve

    Product model: H44H
    Nominal Path: DN50-400mm
    Pressure range: PN10-420 MPa
    Working Temperature: -196 ~+560 Temperature
    Main material: carbon steel, stainless steel, alloy steel
    Scope of application: It is suitable for piping of tap water, food, pharmaceutical, electric power, petroleum, liquefied gas, steam, etc.

    Product overview

    National Standard Swing Check Valve. The product is designed and manufactured in strict accordance with GB12236 standard. The pin and disc are connected by built-in structure, with excellent performance and more reliable sealing. Products are widely used in petroleum, chemical, pharmaceutical, power industry and other working conditions of pipelines.


    Design code

    Design standard: GB/T12236

    Structure length: GB/T 12221

    Connection standards: GB/T 9113, JB/T 79, HG/T 20592

    Pressure test: GB/T 13927, JB/T 9092

    Pressure-temperature grade: GB/T12224


    Product characteristics

    1. The product has compact and reasonable structure, reliable sealing and excellent performance.

    2. The sealing surface is made of alloy steel or cemented carbide. The sealing accessory materials are matched reasonably and the service life is long.

    3. All kinds of piping flange standards and flange sealing types are adopted to meet various engineering needs and user requirements.

    4. Its small size, light weight and good processing technology are one of the development directions of check valves.


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