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Cast Steel Valves

  • Thread Gate Valve Cast Iron

    This valve is developed by our company first in our country. With the new structure design, it overcomes the common phenomena of fluid leakage, serious corrosion of valve stem, valve body and valve plate, short service life, laborious operation and inconvenient maintenance....
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  • Gate Valves API 600

    Universal trim: 13Cr stem, wedge in CA 15 or 13Cr faced, and CoCr alloy seat API Trim 8 suitable for applications up to 850°F (454°C).
    Seat face CoCr alloy hardfaced, ground and lapped to a mirror finish.
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  • Cast Steel Globe Valves

    Non-rotating stem with precision Acme threads and burnished finish. Valve suitable for horizontal installation.
    Universal trim. 13Cr stem, 13Cr faced disc, and CoCr alloy faced seats API Trim 8 suitable for service up to 850°F (454°C).
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  • Cast Steel Swing Check Valves

    Body and cover: Precision machined castings.
    Exclusive: Disc shaft does not penetrate body.
    Body and cover joint: Accurately machined, fully-enclosed gasket.
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  • Cast Steel 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.
    Flexible wedges with CoCr alloy seating faces for cryogenic service.
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  • Cast Steel Cryogenic Globe 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.
    Flexible wedges with CoCr alloy seating faces for cryogenic service.
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  • Cast Steel Cryogenic Check 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.
    Flexible wedges with Stellite seating faces for cryogenic...
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  • Cryogenic Swing Check Valves

    No penetration of hinge pin to outside eliminating possibility of pin seal leakage and allowing for in-line service.
    Compact cage unit: all moving parts are attached to the carrier and can be removed easily for service.
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  • HF Acid Valves

    Diantai offers a comprehensive line of Phillips-approved and UOP-listed Hydrofluoric (HF) acid processing gate, globe, and check valves with several benefits.
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  • Cast Steel Bellows Seal Gate Valves

    Size range(s)
    NPS 2 - 12 (DN 50 - 300)
    Pressure rating
    ASME Classes 150 - 600
    Standard connections
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  • Cast Steel Bellows Seal Globe

    Stronger, leakproof bolted body bonnet joint ensures joint tightness with a higher bolting torque.
    Body guided disc eliminates side thrust and provides longer disc, seat and body life.
    Impactor handwheel for tight shutoff.
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