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

    Applications:

    Heating and cooling systems.

    Functions:

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

    Dimensions:

    STAF: DN 65-150
    STAF-SG: DN 20-400

    Pressure class:

    STAF: PN 16
    STAF-SG: PN 16 and PN 25 (see each product)

    Temperature:

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

    Media:

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

    Material:

    Body, STAF: Cast iron EN-GJL-250 (GG 25).
    Body, STAF-SG: Ductile iron EN-GJS-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:
    CE marked products: Bonnet of ductile iron EN-GJS-400-15, cone of ductile iron EN-GJS-400-15 and gunmetal CuSn5Zn5Pb5 (EN 1982), and spindle of AMETAL®.
    Not CE marked products: 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:

    Body: TA, PN, DN, flow direction arrow, material and casting date (year, month, day).
    CE-marking:
    CE: STAF (PN 16) DN 65-150, STAF-SG (PN 16) DN 200, STAF-SG (PN 25) DN 50-125.
    CE 0409*: STAF-SG (PN 16) DN 250-400, STAF-SG (PN 25) DN 150-400.
    *) Notified body.

    Face to face length:

    ISO 5752 series 1, BS 2080 and EN 558-1 series 1.

    STAF – Cast iron

    Bolted bonnet

    PN 16, ISO 7005-2, EN 1092-2

    DN
    Number of
    bolt holes
    D
    L
    H
    Kvs
    Kg
    EAN
    Article No
    65-2
    4
    185
    290
    205
    85
    12.4
    7318792823305
    52 181-065
    80
    8
    200
    310
    220
    120
    15.9
    7318792823404
    52 181-080
    100
    8
    220
    350
    240
    190
    22
    7318792823503
    52 181-090
    125
    8
    250
    400
    275
    300
    32.7
    7318792823602
    52 181-091
    150
    8
    285
    480
    285
    420
    42.4
    7318792823701
    52 181-092

    → = Flow direction


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

    STAF-SG – Ductile iron

    Measuring points on body

    Bolted bonnet

    Measuring points on body

    PN 16, ISO 7005-2, EN 1092-2

    DN
    Number of
    bolt holes
    D
    L
    H
    Kvs
    Kg
    EAN
    Article No
    200
    12
    340
    600
    430
    765
    76
    7318792823800
    52 181-093
    250
    12
    400
    730
    420
    1185
    122
    7318792823909
    52 181-094
    300
    12
    460
    850
    480
    1450
    163
    7318792824005
    52 181-095
    350
    16
    520
    980
    585
    2200
    287
    7318793859402
    52 181-096
    400
    16
    580
    1100
    640
    2780
    391
    7318793859303
    52 181-097
    Not CE marked products *
    350
    16
    520
    980
    585
    2200
    297
    7318794004603
    52 181-196
    400
    16
    580
    1100
    640
    2780
    406
    7318794004702
    52 181-197

    PN 25, ISO 7005-2, EN 1092-2

    DN
    Number of
    bolt holes
    D
    L
    H
    Kvs
    Kg
    EAN
    Article No
    200
    12
    360
    600
    430
    765
    76
    7318792826702
    52 182-093
    250
    12
    425
    730
    420
    1185
    122
    7318792826801
    52 182-094
    300
    16
    485
    850
    480
    1450
    163
    7318792826900
    52 182-095
    350
    16
    555
    980
    585
    2200
    287
    7318793843401
    52 182-096
    400
    16
    620
    1100
    640
    2780
    391
    7318793843500
    52 182-097
    Not CE marked products *
    350
    16
    555
    980
    585
    2200
    297
    7318794004801
    52 182-196
    400
    16
    620
    1100
    640
    2780
    406
    7318794004900
    52 182-197

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

    → = Flow direction


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

    Bolted bonnet

    PN 25, ISO 7005-2, EN 1092-2

    DN
    Number of
    bolt holes
    D
    L
    H
    Kvs
    Kg
    EAN
    Article No
    65-2
    8
    185
    290
    205
    85
    11
    7318792826207
    52 182-065
    80
    8
    200
    310
    220
    120
    14
    7318792826306
    52 182-080
    100
    8
    235
    350
    240
    190
    19.6
    7318792826405
    52 182-090
    125
    8
    270
    400
    275
    300
    28.1
    7318792826504
    52 182-091
    150
    8
    300
    480
    285
    420
    37.1
    7318792826603
    52 182-092

    Threaded bonnet

    PN 25, ISO 7005-2, EN 1092-2 (DN 20-50 also fit PN 16 flanges)

    DN
    Number of
    bolt holes
    D
    L
    H
    Kvs
    Kg
    EAN
    Article No
    20
    4
    105
    150
    100
    5.7
    2.3
    7318792825705
    52 182-020
    25
    4
    115
    160
    109
    8.7
    2.9
    7318792825804
    52 182-025
    32
    4
    140
    180
    111
    14.2
    4.3
    7318792825903
    52 182-032
    40
    4
    150
    200
    122
    19.2
    5.2
    7318792826009
    52 182-040
    50
    4
    165
    230
    122
    33
    6.6
    7318792826108
    52 182-050
    Accessories

    Handwheel

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

    (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

    L
    EAN
    Article No
    60
    7318792812804
    52 179-006

    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

    For older STAD and STAFMax 150°CAMETAL®/EPDM

    Measuring point

    For older STAD and STAF
    Max 150°C
    AMETAL®/EPDM

    d
    L
    EAN
    Article No
    DN 20 - 50
    R1/4
    30
    7318792812408
    52 179-000
    R1/4
    90
    7318792814303
    52 179-601
    DN 65 - 400
    R3/8
    30
    7318792812903
    52 179-007
    R3/8
    90
    7318792814402
    52 179-607

    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

    Identification tag

    EAN
    Article No
    7318792779206
    52 161-990

    52182020

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    52182050

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    52179009

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    52182032

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    52182080

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    52181091

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    52179007

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    52181080

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    52182196

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    STAF_DN65-150_persp

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    52182090

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    52181097

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    52182040

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    STAF-SG_DN65-150_persp

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    52179000

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    52181197

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    52182065

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    52182025

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    52182092

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    52181095

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    52181065

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    STAF-SG_DN65-150

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    STAF-SG_DN20-50_persp

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    52182095

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    52182093

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    52179008

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    52181092

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    52182197

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    52181096

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    52179601

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    52179609

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    52186004

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    STAF_DN65_persp

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    52182091

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    52182097

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    52182094

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    52181093

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    52181090

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    52186002

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    52181094

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    52182096

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    STAF-SG_DN20-50

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    STAF_DN65-150

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    52181196

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    STAF-SG_DN200-400

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    52179608

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    2D3D

    Drawings