Metal seated dual plate wafer flange check valve

Metal seated dual plate wafer flange check valve

PHOTO SHOWS SPECIFICATIONS AS BELOW
SIZE:8″
RATING:150LB
BODY AND BONNET : ASTM A351 CF8+STELLITE 6 HF
DISC: ASTM A351 CF8 + STELLITE 6 HF
SHAFT: ASTM A182 F316
SEAT: STELLITE 6 HF
SPRING: INCONEL X-750

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  • GENERAL

    Size: 2″~48″
    Pressure Rating: 150LB~4500LB
    Design Temperature: -196℃~800℃
    General applications: water, oil , gas
    Design & Manufacture: API 594, API 6D, ASME B16.34 are basic,other norms could be used according to orders.
    F TO F dimensions: API 6D, API 594, ASME B16.10, BS EN 558
    Connection: WAFER LUG OR FALNGE AS PER ASME B16.5,ASME B16.47, EN 1092, JIS 5K-20K. BW, RTJ are available.
    Structure : dual plates, swing check, spring loaded

 

 

  • TYPICAL MATERIALS

    BODY AND BONNET: ASTM A216 WCB/WCC, ASTM A217 WC6/WC9/C5/C12/C12A/CA15, ASTM A352 LCB/LCC, A351 CF8/CF8M/CF3/CF3M, A995 4A/5A, C83600/C95400/C95800, MONEL K400/K500, H-276, INCONEL 625/718 + HF SEALING AREA.
    DISC: ASTM A216 WCB/WCC, ASTM A217 WC6/WC9/C5/C12/C12A/CA15, ASTM A352 LCB/LCC, A351 CF8/CF8M/CF3/CF3M, A995 4A/5A, C83600/C95400/C95800, MONEL K400/K500, H-276, INCONEL 625/718 + HF.
    SHAFT: ASTM A 182 F6A, F304,F316,XM-19, 17-4PH, INCONEL 625/718, MONEL K-500
    SEAT: INTEGRAL STELLITE HF.
    SPRING: SS316, INCONEL X-750

    OTHER SPECIAL MATERIALS ARE AVAILABLE TO CUSTOMIZE.

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  • TEST

    Inspection and approval norm: API598, API6D.

    QUALITY CONTROL:

    100% Chemical analysis and mechanical test with raw materials of each heat numbers.
    100% DPT test with the castings, partly MT or UT test, RT is always available if required.
    100% hydraulic test with the shell and seal and low pressure air test.

    GUATANTEE:

    SAVVY VALVES provide 12 months service life at least, free spares and maintenance instruction will be provided when required.

 

 

What Are The Advantages Of A Metal Seated Dual Plate Wafer Flange Check Valve?

The metal seated dual plate wafer flange check valve is engineered for high-temperature, high-pressure, and abrasive service conditions. Unlike soft-seated valves, the metal seat offers superior durability and can withstand thermal cycling, erosion, and aggressive media without deforming or losing sealing capability. The dual plate design reduces pressure drop by allowing fluid to pass through efficiently while ensuring quick closure to prevent backflow. The wafer flange connection provides a compact, lightweight form factor that fits easily between flanges, saving space and simplifying installation. Commonly used in power plants, petrochemical systems, and steam applications, this valve excels in tough environments where reliability and low maintenance are critical. Its robust construction and tight shutoff performance make it an excellent choice for long-term operation in demanding industrial systems.

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