Features & Benefits

    Handwheel

    Equipped with a digital read-out, the handwheel ensures accurate and straightforward balancing.

    Self-sealing measuring points

    For simple, accurate balancing.

    Positive shut-off function

    For easy maintenance.

    Technical description

    Application:

    Heating (not steam) and cooling systems

    Functions:

    Balancing
    Pre-setting
    Measuring
    Shut-off (The restriction cone for valve sizes DN 65-400 is pressure released).

    Dimensions:

    DN 20-400

    Pressure class:

    Class 150

    Temperature:

    Max. working temperature: 120°C
    Min. working temperature: -10°C

    Media:

    Water or neutral fluids, water-glycol mixtures (0-57%).

    Material:

    Body: Ductile iron, EN-GJS-400-15 (~ ASTM A536 Grade 60-40-18. ISO 1083 Grade 400-15).

    DN 20-150:
    Bonnet, cone and spindle of AMETAL®.
    DN 200-300:
    Bonnet and cone of ductile iron EN-GJS-400-15, and spindle of AMETAL®.
    DN 350-400:
    Bonnet of ductile iron EN-GJS-400-15, cone of silicon brass CuZn16Si4-C (EN 1982) and gunmetal CuSn5Zn5Pb5 (EN 1982), and spindle of AMETAL®.

    Cone DN 65-400: PTFE coated.

    Seals: EPDM.
    Slip washer: PTFE.
    Bonnet bolts: Surface treated steel.
    Measuring points: AMETAL® and EPDM.
    Handwheel: DN 20-50 polyamide and TPE, DN 65-150 polyamide, DN 200-400 aluminium.


    AMETAL® is the dezincification resistant alloy of IMI Hydronic Engineering.

    Surface treatment:

    DN 20-200: Epoxy painting.
    DN 250-400: Duasolid painting.

    Marking:

    DN 20-50: TA, PN, DN (mm), 400-15 (material) and flow direction arrow.
    DN 65-400: TA, Class 150, size (inch), 60-40-18 (material), casting date and flow direction arrow.
    CE-marking:
    CE: STAF-SG (Class 150) DN 65-150.
    CE 0409*: STAF-SG (Class 150) DN 200-300.
    *) Notified body.

    Flanges:

    DN 20-50: ISO 7005-2 and EN 1092-2. Bolt circle according to Class 150 ASME/ANSI B16.42.
    DN 65-400: Class 150 ASME/ANSI B16.42 (~ PN 20 according to ISO 7005-2).

    Face to face:

    According to ISO 5752 series 1 and EN 558-1 series 1.

    Articles

    Measuring points on body

    Bolted bonnet

    Measuring points on body

    DN
    (Size)
    Number of
    bolt holes
    L
    H
    D
    Kvs
    Kg
    EAN
    Article No
    200
    8"
    8
    600
    430
    345
    765
    76
    7318792831607
    52 182-993
    250
    10"
    12
    730
    420
    406
    1185
    122
    7318792831706
    52 182-994
    300
    12"
    12
    850
    480
    483
    1450
    163
    7318792831805
    52 182-995
    Not CE marked products (non-EU) *
    350
    14"
    12
    980
    585
    533
    2200
    297
    7318793956903
    52 182-996
    400
    16"
    16
    1100
    640
    597
    2780
    406
    7318793957009
    52 182-997

    → = Flow direction


    Kvs = m3/h at a pressure drop of 1 bar and fully open valve.

    *) NOTE: Not allowed to be installed in EU or EFTA countries.

    Threaded bonnet

    DN
    (Size)
    Number of
    bolt holes
    L
    H
    D
    Kvs
    Kg
    EAN
    Article No
    20
    3/4"
    4
    150
    100
    105
    5.7
    2.3
    7318792830600
    52 182-920
    25
    1"
    4
    160
    109
    115
    8.7
    2.9
    7318792830709
    52 182-925
    32
    1 1/4"
    4
    180
    111
    140
    14.2
    4.3
    7318792830808
    52 182-932
    40
    1 1/2"
    4
    200
    122
    150
    19.2
    5.2
    7318792830907
    52 182-940
    50
    2"
    4
    230
    122
    165
    33
    6.6
    7318792831003
    52 182-950

    Bolted bonnet

    DN
    (Size)
    Number of
    bolt holes
    L
    H
    D
    Kvs
    Kg
    EAN
    Article No
    65
    2 1/2"
    4
    290
    205
    180
    85
    11
    7318792831102
    52 182-965
    80
    3"
    4
    310
    220
    190
    120
    14
    7318792831201
    52 182-980
    100
    4"
    8
    350
    240
    230
    190
    19.6
    7318792831300
    52 182-990
    125
    5"
    8
    400
    275
    255
    300
    28.1
    7318792831409
    52 182-991
    150
    6"
    8
    480
    285
    280
    420
    37.1
    7318792831508
    52 182-992
    Accessories

    Handwheel

    DN
    EAN
    Article No
    20 - 50
    7318794043503
    52 186-007
    65 - 150
    7318792834806
    52 186-002
    200 - 400
    7318792835001
    52 186-004

    Identification tag

    EAN
    Article No
    7318792779206
    52 161-990

    Allen key

    For locking of setting.

    [mm]
    For DN
    EAN
    Article No
    3
    20 - 150
    7318792836008
    52 187-103
    5
    200 - 400
    7318792836107
    52 187-105

    (not for 52 179-000/-601)Can be installed without draining of the system.AMETAL®/Stainless steel/EPDM

    Measuring point, extension 60 mm

    (not for 52 179-000/-601)
    Can be installed without draining of the system.
    AMETAL®/Stainless steel/EPDM

    EAN
    Article No
    7318792812804
    52 179-006

    For heating/coolingCFC-free polyurethane. Covered with grey PVC.See catalogue leaflet "Prefab insulations" for complete details.

    Insulation

    For heating/cooling
    CFC-free polyurethane. Covered with grey PVC.
    See catalogue leaflet "Prefab insulations" for complete details.

    For DN
    L
    D
    C
    EAN
    Article No
    50
    390
    250
    252
    7318792840708
    52 189-850
    65
    450
    270
    272
    7318792840807
    52 189-865
    80
    480
    290
    292
    7318792840906
    52 189-880
    100
    520
    320
    322
    7318792841002
    52 189-890
    125
    570
    350
    352
    7318792841101
    52 189-891
    150
    660
    380
    382
    7318792841200
    52 189-892

    AMETAL®/EPDM

    Measuring point

    AMETAL®/EPDM

    d
    L
    EAN
    Article No
    DN 20 - 50
    R1/4
    39
    7318792813108
    52 179-009
    R1/4
    103
    7318792814600
    52 179-609
    DN 65 - 400
    R3/8
    45
    7318792813009
    52 179-008
    R3/8
    101
    7318792814501
    52 179-608

    52182995

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    52182992

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    STAF-SG_DN200-400

    Select a format Download

    52182950

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    52182920

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    52182991

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    52182990

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    STAF-SG_DN20-50_persp

    Select a format Download

    52182965

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    52182994

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    52182996

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    STAF-SGpersp_kat

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    52182940

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    52182980

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    STAF-SG

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    52182932

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    52182993

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    52182925

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    2D3D

    Drawings