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    Cold water meters




    VSH water meter is designed for metering the volume of the cold water flowing through it. It has a counting head with roll and pointer indicators. VSH(d) - with pulse output.

    General information.

    Checklist: cold water meter - VSH rotary with internal diameter Du 15...40 mm or VSHg turbine-type with internal diameter 50...250 mm.
    Fluid flow metering method: tachometer.
    Calibration procedure: onsite.
    Service life: not less than 12 years.

    Basic specifications .

    SPECIFICATIONS
    VALUES
    Passage diameter of cold water meter, mm
    15...250
    Straight portion lengths:
       to the meter installation site, not less
    after the site, not less

    5 Du
    1 Du
    Meter's fluid pressure loss under Qmax, below, kPa
       rotary-type meters
       turbine-type meters


    100
    10
    Maximum water temperature, deg.
    50
    Maximum water pressure, MPa
    1.6
    Water volume metering's basic relative error in the range of its consumption
    4 to 100%, %


    ± 2

    Fluid metering and consumption estimation range.

    Du, mm
    15
    20
    25
    32
    40
    50
    65
    80
    100
    125
    150
    200
    250
    Consumption, m/h
    Q min
    Q max

    0.03
    3

    0.05
    5

    0.14
    7

    0.24
    12

    0.3
    20

    1.5
    40

    1.5
    70

    1.9
    110

    2.5
    180

    5.5
    250

    5.5
    350

    12
    650

    20
    1200

    Basic dimensions and weight of primary consumption converters

    Du, mm
    15
    20
    25
    32
    40
    50
    65
    80
    100
    125
    150
    200
    250
    H, mm
    L, mm
    M, mm
    75
    170
    0.5
    75
    230
    0.6
    110
    340
    2.2
    110
    400
    4.2
    110
    438
    4.7
    220
    200
    15
    230
    200
    17
    240
    225
    19
    255
    250
    22
    270
    250
    28
    345
    300
    37
    370
    350
    50
    415
    450
    62






     






     

     


















     

     

     









     







     










     







             
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