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AH Series Dual plate wafer check valve

SizeDN 40~DN 800

Pressure150 Psi/200 Psi

Standard:

Face to face:API594/ANSI B16.10

Flange connection:ANSI B16.1

+86 022 25217878
+86 022 25219878
  • Description:

     

    Material list:

     

    No.

    Part

    Material

    AH      EH

    BH

    MH

    1

    Body

    CI DI WCB CF8 CF8M C95400

    CI DI WCB CF8 CF8M C95400

    WCB CF8 CF8M C95400

    2

    Seat

    NBR EPDM VITON etc.

    DI Covered Rubber

    NBR EPDM VITON etc.

    3

    Disc

    DI C95400 CF8 CF8M

    DI C95400 CF8 CF8M

    WCB CF8 CF8M C95400

    4

    Stem

    416/304/316

    304/316

    WCB CF8 CF8M C95400

    5

    Spring

    316

    ……

     

    Feature:

     

    Fasten  Screw:

    Effectively  prenvent  the  shaft  from traveling,prevent valve work from failing and end from leaking.

     

    Body:

    Short face to face and good rigidity.

     

    Rubber Seat:

    Vulcanized on body,tight fit and tight seat with no leakage.

     

    Springs:

    Dual springs distribute the load force evenly across each plate,ensuring quick shut off in back flow.

     

    Disc:

    Adopting unitized design of dual dics and two torsion springs,the disc closes quikly and removes water-hammer.

     

    Gasket:

    It adjusts fit-up gap and assures disc seal performance.

  • Dimensions:


    Size D D1 D2 L R t Weight(kg)
    (mm) (inch)
    50 2" 105(4.134) 65(2.559) 32.18(1.26) 54(2.12) 29.73(1.17) 25(0.984) 2.8
    65 2.5" 124(4.882) 78(3) 42.31(1.666) 60(2.38) 36.14(1.423) 29.3(1.154) 3
    80 3" 137(5.39) 94(3.7) 66.87(2.633) 67(2.62) 43.42(1.709) 27.7(1.091) 3.8
    100 4" 175(6.89) 117(4.6) 97.68(3.846) 67(2.62) 55.66(2.191) 26.7(1.051) 5.5
    125 5" 187(7.362) 145(5.709) 111.19(4.378) 83(3.25) 67.68(2.665) 38.6(1.52) 7.4
    150 6" 222(8.74) 171(6.732) 127.13(5) 95(3.75) 78.64(3.096) 46.3(1.8) 10.9
    200 8" 279(10.984) 222(8.74) 161.8(6.370) 127(5) 102.5(4.035) 66(2.59) 22.5
    250 10" 340(13.386) 276(10.866) 213.8(8.49) 140(5.5) 126(4.961) 70.7(2.783) 36
    300 12" 410(16.142) 327(12.874) 237.9(9.366) 181(7.12) 154(6.063) 102(4.016) 54
    350 14" 451(17.756) 375(14.764) 312.5(12.303) 184(7.25) 179.9(7.083) 89.2(3.512) 80
    400 16" 514(20.236) 416(16.378) 351(13.819) 191(7.5) 198.4(7.811) 92.5(3.642) 116
    450 18" 549(21.614) 467(18.386) 409.4(16.118) 203(8) 226.2(8.906) 96.2(3.787) 138
    500 20" 606(23.858) 514(20.236) 451.9(17.791) 213(8.374) 248.2(9.72) 102.7(4.043) 175
    600 24" 718(28.268) 616(24.252) 554.7(21.839) 222(8.75) 297.4(11.709) 107.3(4.224) 239
    750 30" 884(34.8) 772(30.39) 685.2(26.976) 305(12) 374(14.724) 150(5.905) 659

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