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Bellows gate valve


    Product specification(DN): 15~600                                                                                Pressure grade(PN): 1.6/2.5/4.0

    Design standards:GB/T12235;                                                                                          Connection mode: flange

    Main material material:Gray iron, ductile iron, carbon steel, stainless steel and so on.

    Applicable medium:Water, steam, oil and so on.

    Structural characteristics

    1. the product is reasonable in structure, reliable in sealing, excellent in performance and beautiful in appearance.

    2. sealing surface hardfacing Co based cemented carbide, wear resistance, corrosion resistance, good friction resistance and service life.


    3. stem quenching and tempering and surface nitriding, good anti-corrosion and anti friction properties.

    4. double seal, more reliable performance.

    5. no upgrade handwheel.

    6. the size of the parts and flanges and butt welding joints can be selected according to the actual working conditions or user requirements.

    Meet all kinds of engineering needs.

    7. spool can be cut off and adjusted according to need.