Features & Benefits

    Inline design

    Inline flow allows high pressure drops without noise.

    Adjustable flow

    Ensures the design flow.

    Articles

    DN 15-50

    Male thread – Separate connections optional.

    1200 mm capillary pipe (Ø6) with compression coupling 1/4" included.

    LF, low flow

    DN
    d
    L
    H1
    H2
    Kvd
    qmax [m3/h]
    Kg
    EAN
    Article No
    15 kPa
    15/20
    G1
    123
    45
    92
    7,0
    1,1
    1,6
    3831112525429
    52 757-020
    25/32
    G1 1/4
    145
    53
    97
    18
    3,3
    2,7
    3831112525528
    52 757-025
    40/50
    G2
    190
    66
    110
    40
    7,5
    4,8
    3831112526648
    52 757-040
    40 kPa
    15/20
    G1
    123
    45
    92
    7,0
    1,1
    1,6
    3831112525894
    52 757-120
    25/32
    G1 1/4
    145
    53
    97
    18
    3,3
    2,7
    3831112501973
    52 757-125
    40/50
    G2
    190
    66
    110
    40
    7,5
    4,8
    3831112504691
    52 757-140
    60 kPa
    15/20
    G1
    123
    45
    92
    7,0
    1,1
    1,6
    3831112500204
    52 758-120
    25/32
    G1 1/4
    145
    53
    97
    18
    3,3
    2,7
    3831112501966
    52 758-125
    40/50
    G2
    190
    66
    110
    40
    7,5
    4,8
    3831112525856
    52 758-140
    100 kPa
    15/20
    G1
    123
    45
    92
    7,0
    1,1
    1,6
    3831112500211
    52 758-020
    25/32
    G1 1/4
    145
    53
    97
    18
    3,3
    2,7
    3831112500228
    52 758-025
    40/50
    G2
    190
    66
    110
    40
    7,5
    4,8
    3831112503373
    52 758-040

    NF, normal flow

    DN
    d
    L
    H1
    H2
    Kvd
    qmax [m3/h]
    Kg
    EAN
    Article No
    15 kPa
    15/20
    G1
    123
    45
    92
    7,0
    1,3
    1,6
    3831112525436
    52 757-220
    25/32
    G1 1/4
    145
    53
    97
    18
    4,4
    2,7
    3831112525498
    52 757-225
    40/50
    G2
    190
    66
    110
    40
    10
    4,8
    3831112526617
    52 757-240
    40 kPa
    15/20
    G1
    123
    45
    92
    7,0
    1,3
    1,6
    3831112525962
    52 757-320
    25/32
    G1 1/4
    145
    53
    97
    18
    4,4
    2,7
    3831112503311
    52 757-325
    40/50
    G2
    190
    66
    110
    40
    10
    4,8
    3831112503670
    52 757-340
    60 kPa
    15/20
    G1
    123
    45
    92
    7,0
    1,3
    1,6
    3831112525948
    52 758-220
    25/32
    G1 1/4
    145
    53
    97
    18
    4,4
    2,7
    3831112525474
    52 758-225
    40/50
    G2
    190
    66
    110
    40
    10
    4,8
    3831112526273
    52 758-240
    100 kPa
    15/20
    G1
    123
    45
    92
    7,0
    1,3
    1,6
    3831112525870
    52 758-320
    25/32
    G1 1/4
    145
    53
    97
    18
    4,4
    2,7
    3831112525481
    52 758-325
    40/50
    G2
    190
    66
    110
    40
    10
    4,8
    3831112503038
    52 758-340

    HF, high flow

    DN
    d
    L
    H1
    H2
    Kvd
    qmax [m3/h]
    Kg
    EAN
    Article No
    15 kPa
    15/20
    G1
    123
    45
    92
    7,0
    1,8
    1,6
    3831112525887
    52 757-420
    25/32
    G1 1/4
    145
    53
    97
    18
    6,0
    2,7
    3831112526976
    52 757-425
    40/50
    G2
    190
    66
    110
    40
    14
    4,8
    3831112505124
    52 757-440
    40 kPa
    15/20
    G1
    123
    45
    92
    7,0
    1,8
    1,6
    3831112525955
    52 757-520
    25/32
    G1 1/4
    145
    53
    97
    18
    6,0
    2,7
    3831112504257
    52 757-525
    40/50
    G2
    190
    66
    110
    40
    14
    4,8
    3831112505018
    52 757-540
    60 kPa
    15/20
    G1
    123
    45
    92
    7,0
    1,8
    1,6
    3831112504837
    52 758-420
    25/32
    G1 1/4
    145
    53
    97
    18
    6,0
    2,7
    3831112504622
    52 758-425
    40/50
    G2
    190
    66
    110
    40
    14
    4,8
    3831112504240
    52 758-440
    100 kPa
    15/20
    G1
    123
    45
    92
    7,0
    1,8
    1,6
    3831112504868
    52 758-520
    25/32
    G1 1/4
    145
    53
    97
    18
    6,0
    2,7
    3831112525733
    52 758-525
    40/50
    G2
    190
    66
    110
    40
    14
    4,8
    3831112504066
    52 758-540

    → = Flow direction

    Kvd = Is the Kv value of the differential pressure control component when fully open.

    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

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

    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

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

    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

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

    With flange

    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

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

    Attention! Must be used on the inlet side.

    With flange (extended)

    Attention! Must be used on the inlet 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

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

    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

    DKH512_DN25-32persp

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