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Product Breif:
1. The product design complies with standards NB/T 47044 and ASME B16.34.
2. The stem undergoes quenching and nitriding treatment, providing heat resistance, wear resistance, and high corrosion resistance.
3. The valve body’s mid-cavity features a self-sealing structure—the higher the internal pressure, the tighter the sealing.
4. The seat and disc sealing surfaces are overlay-welded with cobalt-based hard alloys (e.g., Stellite), ensuring zero leakage under extreme conditions.

  •    Description   

    1. The product design complies with standards NB/T 47044 and ASME B16.34.

    2. The stem undergoes quenching and nitriding treatment, providing heat resistance, wear resistance, and high corrosion resistance.

    3. The valve body's mid-cavity features a self-sealing pressure structure (Wood seal) — the higher the cavity pressure, the better the sealing performance.

    4. Flow direction: Top inlet/bottom outlet; the disc adopts a double-wedge design with low opening/closing torque and easy operation.

    5. The sealing surfaces of the seat and disc are overlay-welded with cobalt-based hard alloy or plasma-sprayed, offering high heat resistance, wear resistance, and galling resistance.

     

       Parameters   

    Product Standards: DL/T 531, JB/T 3595, NB/T 47044, ASME B16.34
    Nominal Pressure: PN160-PN760 (900LB-4500LB), P54100V, P54140V, P54170V, P57100V, P57140V, P57170V
    Nominal Diameter: DN50-DN350 (2"-14")

    Body Material:

    1. WCB, ZG20CrMo, Cr5Mo, ZG20CrMoV, ZG15Cr1MoV

    2. 25#, 12Cr1MoV

    3. ASTM A216 WCB, ASTM A217 WC6, ASTM A217 WC9, ASTM A217 C12A

    4. ASTM A105, ASTM A182 F11, ASTM A182 F22, ASTM A182 F91, ASTM A182 F92

    Operating Temperature:

    • WCB: -29℃ to +425℃

    • Alloy Steel: -29℃ to +540℃, -29℃ to +570℃

    • F91: -29℃ to +610℃

    Working Media: Water, steam, etc.
    Connection Type: Welded
    Actuation Type: Manual, Gear, Electric, Pneumatic, Hydraulic

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Products breif:
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3. Flow simulation simulate medium's flowing action, heat transfer process, and help engineer to decrease cavation, make less flowing resistance.
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1. The product design complies with the NB/T 47044 and ASME B16.34 standards.
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Product Breif:
1. The product design complies with standards NB/T 47044 and ASME B16.34.
2. The stem undergoes quenching and nitriding treatment, providing heat resistance, wear resistance, and high corrosion resistance.
3. The valve body’s mid-cavity features a self-sealing structure—the higher the internal pressure, the tighter the sealing.
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Products breif:
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Products breif:
1. The three-eccentric design provides instant contact or disconnection of the disc from the saddle, which guarantees zero wear and zero leakage.
2. The sealing ring is fully integrated into the drive, which allows to carry out replacement without dismantling the whole valve, the...
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