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Forged Gate Valves

  • Pressure Seal Gate Valves

    Diantai's proven pressure seal design.
    Diantai flexible wedge offers superior tightness of seats and freedom from sticking.
    Wedge guiding minimizes seat rubbing and scuffing resulting in long cycle life.
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  • Bolted Bonnet Flexible Wedge Gate Valves

    Stronger, leakproof bolted body bonnet joint ensures joint tightness with a higher bolting torque.
    Wedge guiding minimizes seat rubbing and scuffing resulting in long cycle life.
    Designed to ASME B16.34.
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  • Bolted Bonnet Bellows Seal Gate Valves

    Long cycle life bellows (2000 cycles) in Gr. 321 (stainless) or Inconel. Designed for, and successfully tested in high pressure/temperature conditions.
    Bellows monitoring port (optional): Connected to the space above the bellows to monitor performance.
    Non-rotating...
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  • Gate Valves

    A compact but extremely sturdy design for high pressure-temperature service.
    Solid CoCr alloy wedge (optional) ensures low friction and long service life.
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  • Extend Body Gate Valves

    Size range(s)
    NPS 1/2 - 2 (DN 15 - 50)
    Pressure rating
    ASME Class 800 - 1500
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  • Cryogenic Gate Valves

    Extended bonnets with sufficient gas column length, usually specified by customer, are supplied for all valves to keep stem packing at sufficient distance away from the cold fluid to remain functional.
    Solid CoCr alloy wedges on NPS 1⁄2 – 2 (DN 15–50) valves operate with...
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  • Bellows Seal Gate Valves

    Long cycle life bellows (3000 cycles): Designed and qualification tested for high pressure/temperature service.
    Bellows monitoring port (optional): A plug can beconnected with the space above the bellows to monitor performance.
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