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  • Swing Check Valves

    Check Valve (Non Return Valve)

    SEALMECH Check Valves are Bolted cover design up to 600# and above pressure seal design. SEALMECH Swing check valves are suitable for vertical and horizontal both line. A SEALMECH wide range of Check Valves (Non-Return Valves) available for oil, gas, water, refining, power and chemical applications, where the prevention of flow reversal is mandatory.

    SEALMECH Swing Check valves are available under any Third party inspection.

    Design Standard BS 1868/API 6D
    Inspection & Testing Standard BS 6755/API 6D
    Face To Face As Per ANSI B 16.10
    Face To Face As Per ANSI B 16.10
    End Connection Flanged End To ANSI B 16.5/BS 10 Table
    Buttweld End To ANSI B 16.25
    Size Range 1" To 24"
    Pressure Rating 150# To 1500#
    Material Specification
    Body / Cover / Hinge ASTM A 216 GR. WCB
    ASTM A 217 GR. WC1/WC6/WC9/WC11
    ASTM A 352 GR. LCB/LC3
    ASTM A 351 GR. CF 8 /CF 8M/CF 3/CF 3M/CN 7M
    IS 210 GR. FG 200/220/250/260
    Disc AISI 410 (13% Cr.) /AISI 304/316/304L/316L/Alloy 20
    Seat AISI 410 (13% Cr.) /AISI 304/316/304L/316L/Alloy 20
    Hinge Pin AISI 410 (13% Cr.) /AISI 304/316/304L/316L/Alloy 20
    Gasket CAF/Grafoil/S.S. Spiral Wound With CAF/Grafoil/P.T.F.E.
    Disc Lock Nut A 194 GR. 2H/S.S. 304/316
    Stud & Nut ASTM A 193 GR. B7/ A 194 GR. 2H/S.S. 304/316

    Wafer Check Valve

    SEALMECH Wafer Design Plate Type Check Valve has short face-to-face dimensions and low weight allows a simple space saving installation between the companion flanges. The valves are suitable to mounting between weld neck or slip on type companion flanges of different standards.

    They are specially developed for applications where a low-pressure loss is essential. Opening and closing of the valve will take place at an extremely low-pressure difference over the valve disc. The eccentric disc shaft combination with the disc seat guarantees a positive shut off returning media. Wafer check valves are becoming the preferred type of check valve for most applications, due to their compact design and relatively low cost.

    • Body Type: Single Plate, Short Type
    • Suitable For Horizontal and Vertical Mounting
    • Shorter overall length, mounting requires minimum space.
    • Low Pressure Drop
    • Easy to Install
    • Less Weight
    • Maintenance Free
    • Seat Leakage: Zero Leakage, Tight Shut Off
    • Temperature Range: -250 To + 2000 C
    Design Standard API 6D
    Inspection & Testing Standard API 6D
    Face To Face As Per ANSI B 16.10
    End Connection Wafer Type, Flangeless, Suitable to Mount Between Two Flanges.
    Size Range 1" To 24"
    Pressure Rating PN 16

    Check Valve, Swing Check Valve, Non Return valves, Wafer Type Check Valve API 6D Design Standard Check Valves, ANSI Standard Check Valves Wafer Type Check Valve, Flangeless Check Valves

    Design & Developed By Ellipsis Infotech