Features & Benefits

    Inline design

    Inline flow allows high pressure drops without noise.

    Integrated throttle for flow limitation

    No need for additional flow limitation valve.

    Adjustable set-point

    Delivers desired differential pressure ensuring accurate balancing.

    Technical description

    Application:

    Central heating, cooling systems and in district heating substations.

    Functions:

    Differential pressure control and flow limitation.
    Closes at increasing Δp.

    Dimensions:

    DN 15-125

    Pressure class:

    PN 25
    DN 100-125: PN 16 and PN 25

    Max. differential pressure (ΔpV):

    1600 kPa = 16 bar

    Setting range:

    Differential pressure adjustable 5-30 kPa, 10-60 kPa, 10-100 kPa and 60-150 kPa.

    Temperature:

    Max. working temperature: 150°C
    Min. working temperature: -10°C

    Media:

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

    Material:

    Valve body: Ductile iron EN-GJS-400-15
    Diaphragm and seals: EPDM

    Surface treatment:

    Electrophoretic painting.

    Marking:

    IMI TA, DN, PN and flow direction arrow.

    Threads:

    DN 15-50: According to ISO 228.

    Flanges:

    DN 15-50 (optional): According to EN-1092-2:1997, type 16.
    DN 65-125: According to EN-1092-2:1997, type 21.

    Articles

    1200 mm capillary pipe (Ø6) included.

    DN 15-50

    1200 mm capillary pipe (Ø6) included.

    PN 25

    DN
    d
    D
    L
    H1
    H2
    Kvs
    Kg
    EAN
    Article No
    5-30 kPa
    15/20
    G1
    97
    136
    45
    52
    2,5
    1,4
    3831112502901
    52 763-720
    25/32
    G1 1/4
    112
    186
    55
    57
    6
    2,4
    3831112502871
    52 763-725
    40/50
    G2
    146
    238
    75
    71
    13
    4,4
    3831112501287
    52 763-740
    10-60 kPa
    15/20
    G1
    97
    136
    45
    52
    2,5
    1,4
    3831112502925
    52 761-220
    23/32
    G1 1/4
    112
    186
    55
    57
    6
    2,4
    3831112502888
    52 761-225
    40/50
    G2
    146
    238
    75
    71
    13
    4,4
    3831112501461
    52 761-240
    10-100 kPa
    15/20
    G1
    97
    136
    45
    52
    2,5
    1,4
    3831112505308
    52 760-220
    25/32
    G1 1/4
    112
    186
    55
    57
    6
    2,4
    3831112505315
    52 760-225
    40/50
    G2
    146
    238
    75
    71
    13
    4,4
    3831112505445
    52 760-240
    60-150 kPa
    15/20
    G1
    97
    136
    45
    52
    2,5
    1,4
    3831112502918
    52 762-220
    25/32
    G1 1/4
    112
    186
    55
    57
    6
    2,4
    3831112505001
    52 762-225
    40/50
    G2
    146
    238
    75
    71
    13
    4,4
    3831112500914
    52 762-240

    → = Flow direction


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

    1500 mm capillary pipe (Ø6) included.

    DN 65-125

    1500 mm capillary pipe (Ø6) included.

    PN 25 (DN 65 and 80 also fit PN 16 flanges)

    DN
    D
    L
    H1
    H2
    Kvs
    Kg
    EAN
    Article No
    5-30 kPa
    65
    220
    290
    180
    93
    45
    24
    3831112500051
    52 763-765
    80
    220
    310
    183
    100
    50
    26
    3831112500112
    52 763-780
    100
    320
    350
    174
    118
    75
    58
    3831112508200
    52 763-790
    125
    320
    400
    175
    135
    105
    62
    3831112508286
    52 763-791
    10-60 kPa
    65
    220
    290
    180
    93
    45
    24
    3831112500068
    52 761-265
    80
    220
    310
    183
    100
    50
    26
    3831112500143
    52 761-280
    100
    320
    350
    174
    118
    75
    58
    3831112508217
    52 761-290
    125
    320
    400
    175
    135
    105
    62
    3831112508293
    52 761-291
    10-100 kPa
    65
    220
    290
    180
    93
    45
    24
    3831112526921
    52 760-265
    80
    220
    310
    183
    100
    50
    26
    3831112500075
    52 760-280
    100
    320
    350
    174
    118
    75
    58
    3831112508224
    52 760-290
    125
    320
    400
    175
    135
    105
    62
    3831112508309
    52 760-291
    60-150 kPa
    65
    220
    290
    180
    93
    45
    24
    3831112500020
    52 762-265
    80
    220
    310
    183
    100
    50
    26
    3831112500082
    52 762-280
    100
    320
    350
    174
    118
    75
    58
    3831112508231
    52 762-290
    125
    320
    400
    175
    135
    105
    62
    3831112508316
    52 762-291

    PN 16

    DN
    D
    L
    H1
    H2
    Kvs
    Kg
    EAN
    Article No
    5-30 kPa
    100
    320
    350
    174
    118
    75
    58
    3831112508163
    52 763-690
    125
    320
    400
    175
    135
    105
    62
    3831112508248
    52 763-691
    10-60 kPa
    100
    320
    350
    174
    118
    75
    58
    3831112508170
    52 761-690
    125
    320
    400
    175
    135
    105
    62
    3831112508255
    52 761-691
    10-100 kPa
    100
    320
    350
    174
    118
    75
    58
    3831112508187
    52 760-690
    125
    320
    400
    175
    135
    105
    62
    3831112508262
    52 760-691
    60-150 kPa
    100
    320
    350
    174
    118
    75
    58
    3831112508194
    52 762-690
    125
    320
    400
    175
    135
    105
    62
    3831112508279
    52 762-691

    → = Flow direction


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

    Connections for DN 15-50

    Swivelling nut

    For welding

    Swivelling nut

    d1
    D
    L1*
    EAN
    Article No
    G1
    20,8
    37
    3831112500945
    52 759-315
    G1
    26,3
    42
    3831112500952
    52 759-320
    G1 1/4
    33,2
    47
    3831112500969
    52 759-325
    G1 1/4
    40,9
    47
    3831112500976
    52 759-332
    G2
    48,0
    47
    3831112501140
    52 759-340
    G2
    60,0
    52
    3831112501294
    52 759-350

    Threads according to ISO 7Swivelling nut

    With male thread

    Threads according to ISO 7
    Swivelling nut

    d1
    d2
    L1*
    EAN
    Article No
    G1
    R1/2
    34
    3831112500983
    52 759-115
    G1
    R3/4
    40
    3831112500990
    52 759-120
    G1 1/4
    R1
    40
    3831112501003
    52 759-125
    G1 1/4
    R1 1/4
    45
    3831112501010
    52 759-132
    G2
    R1 1/2
    45
    3831112503342
    52 759-140
    G2
    R2
    50
    3831112503472
    52 759-150

    Attention! Must be used on the outlet side.

    With flange (extended)

    Attention! Must be used on the outlet side.

    Flange according to EN-1092-2:1997, type 16.

    d1
    d2
    D
    L1*
    EAN
    Article No
    G1
    M12
    95
    47
    3831112501157
    52 759-615
    G1
    M12
    105
    47
    3831112500136
    52 759-620
    G1 1/4
    M12
    115
    62
    3831112503533
    52 759-625
    G1 1/4
    M16
    140
    62
    3831112526129
    52 759-632
    G2
    M16
    150
    72
    3831112505025
    52 759-640
    G2
    M16
    165
    72
    3831112503892
    52 759-650

    *) Fitting length (from the gasket surface to the end of the connection).

    Threads according to ISO 228.

    With female thread

    Threads according to ISO 228.

    Swivelling nut

    d1
    d2
    L1*
    EAN
    Article No
    G1
    G1/2
    26
    3831112501027
    52 759-015
    G1
    G3/4
    32
    3831112501034
    52 759-020
    G1 1/4
    G1
    47
    3831112501041
    52 759-025
    G1 1/4
    G1 1/4
    52
    3831112501058
    52 759-032
    G2
    G1 1/2
    52
    3831112503489
    52 759-040
    G2
    G2
    64,5
    3831112503205
    52 759-050

    Attention! Can be used on the inlet side only.

    With flange

    Attention! Can be used on the inlet side only.

    Flange according to EN-1092-2:1997, type 16.

    d1
    d2
    D
    L1*
    EAN
    Article No
    G1
    M12
    95
    10
    3831112501065
    52 759-515
    G1
    M12
    105
    20
    3831112501072
    52 759-520
    G1 1/4
    M12
    115
    5
    3831112504318
    52 759-525
    G1 1/4
    M16
    140
    15
    3831112501096
    52 759-532
    G2
    M16
    150
    5
    3831112504325
    52 759-540
    G2
    M16
    165
    20
    3831112501317
    52 759-550

    Threads according to ISO 7-1Swivelling nut

    With female thread Rc

    Threads according to ISO 7-1
    Swivelling nut

    d1
    d2
    L1*
    EAN
    Article No
    G1
    Rc1/2
    26
    3831112527454
    52 751-301
    G1
    Rc3/4
    32
    3831112527461
    52 751-302
    G1 1/4
    Rc1
    47
    3831112527478
    52 751-303
    G1 1/4
    Rc1 1/4
    52
    3831112527485
    52 751-304
    G2
    Rc1 1/2
    52
    3831112527492
    52 751-305
    G2
    Rc2
    64,5
    3831112527508
    52 751-306
    Accessories

    Suitable when insulation is used.Stainless steel/EPDM/Brass.

    Venting extension

    Suitable when insulation is used.
    Stainless steel/EPDM/Brass.

    d
    D
    L
    EAN
    Article No
    M6
    12
    70
    3831112531727
    52 759-220

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