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    Expansion Joint

    Expansion joint solves a piping system problem

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    Proper Application

    Used in the middle of pipe to absorb extension and compression at pipe line which occur owing to vibration, noise and temperature change.

    For both delivery and suction

    Characteristics

    Quick Shape Recovery to the Original Form

    Arch structure for flexible part of the body absorbs various kinds of defomation brought by external force.

    Easy Installation

    Light weight and easy to use.

    Wrapped type. One size fits all.

    Face-to face length can be designed depend on install situation.

    Type

    Metal Flange Type

    2 Types; A type (for dredging & heavy purpose) and B type (for general purpose)

    Suitable for less than 0.98MPa at working pressure.

    Loose end type is also avavailable depending on difficulty of installation of pipes.

    Easy to install owing to built-in control unit.

    Rubber Flange Type

    Suitable for less than 0.49MPa at working pressure.

    Face-to-face distance is short and very light weight.

    Retaining ring is adhered by vulcanizing.

    Structure

    Expansion Joint

    The picture above is very simple.

    Please feel free to contact us for more information.

    Standard Specification

    N.D. in.

    I.D.

    mm

    Standard Length Working Pressure

    1 Arch

    mm

    2 Arch

    mm

    For Light

    MPa

    For High

    MPa

    40 1-1/2 38.1 130 200 0.49 0.98
    50 2 50.8
    65 2-1/2 63.5
    75 3 76.2 210
    100 4 101.6
    125 5 127.0 150 270
    150 6 152.4
    200 8 203.2 180 290
    250 10 254.0 200 310
    300 12 304.8 230 320
    350 14 330.2 350 0.78
    400 16 381.0 360
    450 18 432.0 240 370
    500 20 489.0 250 380 0.29
    550 22 534.0
    600 24 591.0 400
    650 26 638.0 0.59
    700 28 698.0
    750 30 738.0 260
    800 32 791.0
    900 36 898.0
    1000 40 998.0 300 480 0.20 0.49
    1100 44 1100.0 500
    1200 48 1200.0
    1350 54 1350.0 350 570
    1500 60 1504.0
    N.D. in. Tolerable Movement (1 arch)

    Compression

    mm

    Extension

    mm

    Deflection

    mm

    40 1-1/2 9 5 5
    50 2 12 7 7
    65 2-1/2
    75 3
    100 4
    125 5 15 8 8
    150 6
    200 8 18 10 10
    250 10
    300 12
    350 14 21 12 12
    400 16
    450 18
    500 20 24 13 15
    550 22
    600 24
    650 26
    700 28
    750 30
    800 32
    900 36
    1000 40 30 16
    1100 44
    1200 48
    1350 54 36 20 20
    1500 60

    Tolerable movement data shown are based on 1 arch.

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