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  • Wafer Dual Check Valves
  • C23
  • GENERAL INFORMATION

    Series C23 wafer dual check valve is a self-operating check valve that is desirable to permit flow in one direction and prevent backflow in the opposite direction. The plates open in case that the upstream pressure exceeds the downstream pressure and the spring elasticity. When the flow velocity upstream decreases or ceases, the spring will automatically close the dual plates prior to flow reversal. This creates a positive shutoff against flow reversal and eliminates system surges and water hammer.

    FEATURES

    • Short face-to-face dimension? Lighter weight than conventional full-body check valves
    • Low cracking pressure because of double disc design? The stop shaft stabilizes the plates under high flow rates? Long leaf springs prevent rubbing of plates on seat
    ★ Retainerless design eliminates the potential leak path to atmosphere and meets industry fugitive emissions control requirements

    Wafer
    DN50-DN600
    ANSI CLASS300, ANSI CLASS600, ANSI CLASS900, ANSI CLASS1500
    API 594
    Painting system B

    No.Part nameMaterial
    1BodyWCB, CF8, CF8M
    2DiscCF8, CF8M
    3SeatCr13, Stellite
    4StemSS304, SS316
    5SpringSS301, SS321
    6BearingSS316 for metal seat
    7Stop PinSS304, SS316
    8GuideSS304, SS316
    9Set ScrewSS304, SS316
    10Eye BoltSS304, SS316


    SIZECDD1D2LWT(kg)
    DNINCHClass
    300
    Class
    600
    Class
    900
    Class
    1500
    Class
    300
    Class
    600
    Class
    900
    Class
    1500
    Class
    300
    Class
    600
    Class
    900
    Class
    1500
    Class
    300
    Class
    600
    Class
    900
    Class
    1500
    502"        111.1111.1142.9142.96051606070703388
    652 1/2"        130.2130.2165.1165.1736567678383441010
    803"52526060149.3149.3168.3174.6898073738383661212
    1004"90908484181.0193.7206.4209.611410273791021028121920
    1506"140909090250.9266.7288.9282.61681529813615915920365054
    2008"172170130130308.0320.6358.8352.42152001271652062063573116123
    25010"235200195185362.0400.1435.0435.026525014621324124857118197204
    30012"260232210210422.2457.3498.5520.731530018122929230591164293375
    35014"286232208208485.8492.1520.7577.9355340222273356356177186396485
    40016"330330162162539.8565.1574.7641.3405390232305384384208330533588
    45018"392330245185596.9612.7638.2704.9455440264362451468295395610793
    50020"440432406210654.1682.6698.5755.65054902923684515333655446391278
    60024"525525445392774.7790.6838.2901.760559031843849555952681912332712

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      PRIVATE POLICY  

    Manufacture: ABC VALVE WUXI CO.,LTD.

    Add: U Valley Industrial Park, 58 Jinghong Road, Xibei Town,
    Xishan District, Wuxi, Jiangsu, China
    Zip Code: 214195
    Tel: +86-510-88786886
    Email: info@abcvalve.com
    Web: www.abcvalve.com

    Designed by: ABC CORPORATION

    Add: Rockwood Road, Wilmington new Castle DE 19802, USA

    Sales Company in Singapore: ABC VALVE PTE. LTD.

    Add: 10 ANSON ROAD #13-15 INTERNATIONAL PLAZA
    Email: sg@abcvalve.com

     

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