Features & Benefits

    Handwheel

    Equipped with a digital read-out, the handwheel ensures accurate and straightforward balancing.
    Handwheel for sizes 2 1/2" - 6" with side reading makes the read-out easy from any angle.

    Accurate and precise

    Provides high accuracy of measurement.

    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
    Presetting
    Measuring
    Shut-off (The balancing cone for valve sizes 4" - 16" is pressure released).

    Dimensions:

    3/4" - 16"

    Pressure class:

    Class 150

    Temperature / Max. pressure:
    14 to 100 °F / 250 psi
    200 °F / 235 psi
    248 °F / 225 psi

    Temperature:

    Max. working temperature: 248°F
    Min. working temperature: 14°F

    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).

    Size 3/4" - 6":
    Bonnet, cone and spindle of AMETAL®.
    Size 8" - 12":
    Bonnet and cone of ductile iron EN-GJS-400-15, and spindle of AMETAL®.
    Size 14" - 16":
    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 sizes 4” - 16”: PTFE coated.

    Seals: EPDM.
    Slip washer: PTFE.
    Bonnet bolts: Surface treated steel.
    Measuring points: AMETAL® and EPDM.
    Handwheel: Size 3/4"-2" polyamide and TPE, size 2 1/2"-6" polyamide, size 8"-16" aluminium.


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

    Surface treatment:

    Size 3/4" - 8": Epoxy painting.
    Size 10" - 16": Duasolid painting.

    Marking:

    Size 3/4" - 2": TA, PN, DN (mm), 400-15 (material) and flow direction arrow.
    Size 2 1/2" - 16": TA, Class 150, size (inch), 60-40-18 (material), casting date and flow direction arrow.
    CE-marking:
    CE: STAF-SG (Class 150) size 2 1/2" - 6".
    CE 0409*: STAF-SG (Class 150) size 8" - 12".
    *) Notified body.

    Flanges:

    Size 3/4" - 2": ISO 7005-2 and EN 1092-2. Bolt circle according to Class 150 ASME/ANSI B16.42.
    Size 2 1/2" - 16": Class 150 ASME/ANSI B16.42 (~ PN 20 according to ISO 7005-2).

    Face to face length:

    ISO 5752 series 1, EN 558-1 series 1.

    Articles

    Measuring points on body

    Bolted bonnet

    Measuring points on body

    Size
    Number of
    bolt holes
    L [in]
    H [in]
    D [in]
    Cvs
    lb
    Article No **
    North America
    Article No
    International
    8"
    8
    23.62
    16.93
    13.58
    887
    167.5
    52 167-993
    52 182-993
    10"
    12
    28.74
    16.54
    15.98
    1375
    269.0
    52 167-994
    52 182-994
    12"
    12
    33.46
    18.90
    19.02
    1682
    359.4
    52 167-995
    52 182-995
    14" *
    12
    38.58
    23.03
    20.98
    2552
    654.8
    52 182-996 *
    52 182-996 *
    16" *
    16
    43.31
    25.20
    23.50
    3225
    895.1
    52 182-997 *
    52 182-997 *

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


    **) Distributed by Victaulic.

    → = Flow direction


    Cvs = gpm at a pressure drop of 1 psi and fully open valve.

    Bolted bonnet

    Spindle extension for sizes 2 1/2" - 6" is included.

    Size
    Number of
    bolt holes
    L [in]
    H [in]
    H 1) [in]
    D [in]
    Cvs
    lb
    Article No **
    North America
    Article No
    International
    2 1/2"
    4
    11.42
    6.42
    8.78
    7.09
    98.3
    22.0
    52 172-965
    52 187-965
    3"
    4
    12.20
    6.77
    9.13
    7.48
    142
    37.3
    52 172-980
    52 187-980
    4"
    8
    13.78
    8.78
    11.14
    9.06
    214
    39.5
    52 172-990
    52 187-990
    5"
    8
    15.75
    10.20
    12.56
    10.04
    340
    56.2
    52 172-991
    52 187-991
    6"
    8
    18.90
    10.75
    13.11
    11.02
    462
    77.2
    52 172-992
    52 187-992

    1) Height with spindle extension


    NOTE:
    In softwares (HySelect, HyTools) and balancing instrument (TA-SCOPE) the STAF-SG, sizes 2 1/2" - 6", is named STAF-SG*.

    Threaded bonnet

    Size
    Number of
    bolt holes
    L [in]
    H [in]
    D [in]
    Cvs
    lb
    Article No **
    North America
    Article No
    International
    3/4"
    4
    5.91
    3.94
    4.13
    6.61
    5.1
    -
    52 182-920
    1"
    4
    6.30
    4.29
    4.53
    10.1
    6.4
    -
    52 182-925
    1 1/4"
    4
    7.09
    4.37
    5.51
    16.5
    9.5
    -
    52 182-932
    1 1/2"
    4
    7.87
    4.80
    5.91
    22.3
    11.5
    -
    52 182-940
    2"
    4
    9.06
    4.80
    6.50
    38.3
    15
    -
    52 182-950
    Accessories

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

    Measuring point, extension 2.36 in.

    (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

    AMETAL®/EPDM

    Measuring point

    AMETAL®/EPDM

    d
    L [in]
    EAN
    Article No
    Size 3/4" - 2"
    R1/4
    1.535
    7318792813108
    52 179-009
    R1/4
    4.055
    7318792814600
    52 179-609
    Size 2 1/2" - 16"
    R3/8
    1.772
    7318792813009
    52 179-008
    R3/8
    3.976
    7318792814501
    52 179-608

    Identification tag

    EAN
    Article No
    7318792779206
    52 161-990

    Handwheel

    Size
    EAN
    Article No
    3/4" - 2"
    7318794043503
    52 186-007
    2 1/2" - 6"
    5902276808968
    52 186-010
    8" - 16"
    7318792835001
    52 186-004

    For heating/coolingMaterial: EPPFire class: B2 (DIN 4102)Max working temperature: 248°F (intermittent 284°F)Min working temperature: 54°F, 18°F at sealed joints.

    Insulation

    For heating/cooling
    Material: EPP
    Fire class: B2 (DIN 4102)
    Max working temperature: 248°F (intermittent 284°F)
    Min working temperature: 54°F, 18°F at sealed joints.

    For size
    L [in]
    D [in]
    C [in]
    EAN
    Article No
    2"
    15.4
    9.84
    9.91
    7318792840708
    52 189-850
    2 1/2"
    17.7
    10.6
    10.7
    7318792840807
    52 189-865
    3"
    18.9
    11.4
    11.5
    7318792840906
    52 189-880
    4"
    20.5
    12.6
    12.7
    7318792841002
    52 189-890
    5"
    22.4
    13.8
    13.9
    7318792841101
    52 189-891
    6"
    26.0
    15.0
    15.0
    7318792841200
    52 189-892

    Allen key

    For locking of setting.

    [mm]
    For size
    EAN
    Article No
    3
    3/4" - 6"
    7318792836008
    52 187-103
    5
    8 "- 16"
    7318792836107
    52 187-105

    Spare part.Included in valve sizes 2 1/2" - 6".Needed on sizes 2 1/2" - 6" when using IMI TA prefab insulations (52 189-8xx).

    Spindle extension

    Spare part.
    Included in valve sizes 2 1/2" - 6".
    Needed on sizes 2 1/2" - 6" when using IMI TA prefab insulations (52 189-8xx).

    For size
    EAN
    Article No
    2 1/2" - 6"
    5902276808951
    52 186-015

    52182993

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    52182994

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    52182995

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    STAF-SG_DN100_ANSI_front_left-right

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    STAF-SG_DN20-50_persp

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    52182996

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    STAF-SG_DN20-50

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    STAF_DN65-80_ANSI_persp

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    STAF-SG_DN200-400

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    STAF_DN100-150_ANSI_persp

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    STAF_DN65-80_ANSI_front_right-left

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    STAF_DN65-80_ANSI_front_left-right

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    STAF-SG_DN100-150_persp

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    STAF-SG_DN100_ANSI_front_right-left

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