Features & Benefits

    To avoid additional differential pressure

    Due to automatic bypass control

    With bypass T-piece

    For easy connection to the return

    Double O-ring seal

    For durable and maintenance free operation

    Valve body in gunmetal

    Corrosion-resistant and safe

    Technical description

    Applications:

    Two-pipe or one-pipe pump heating systems.

    Function:

    Control
    Shut-off
    Avoids additional differential pressure
    Ensuring minimum amounts of water circulation

    Dimensions:

    DN 15

    Pressure class:

    PN 10

    Temperature:

    Max. working temperature: 120°C, with protection cap or actuator 100°C.
    Min. working temperature: -10°C.

    Materials:

    Valve body: corrosion resistant Gunmetal
    Bypass T-piece: Brass
    O-rings: EPDM rubber
    Valve disc: EPDM rubber
    Return spring: Stainless steel
    Valve insert: Brass
    Spindle: Niro-steel spindle with double O-ring sealing. The outer O-ring can be replaced under pressure.

    Surface treatment:

    Valve body and fittings are nickel-plated.

    Marking:

    THE and flow direction arrow. Black protection cap.

    Pipe connection:

    The valve body and the bypass T-piece are designed for connection to threaded pipe, or in conjunction with compression fittings, to copper precision steel or multi-layer pipe.

    Connection to thermostatic head and actuator:

    HEIMEIER M30x1,5

    Articles

    Connection on the radiator left

    Thermostatic three-way valve body

    Connection on the radiator left

    Bypass connection
    DN
    D
    d2
    Kv Radiator
    [xp] 1 K / 2 K 1)
    Kv
    total 2)
    EAN
    Article No
    DN 15 (1/2")
    Screwed nipple
    15
    Rp1/2
    R1/2
    0,38 / 0,73
    1,45
    4024052221714
    4151-02.000

    1) Distribution ratio at 2.0 K approx. 50%.
    2) Total Kv-value for radiator and bypass.

    *) SW1: 27mm, SW2: 30mm


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

    Kv [xp] max. 1 K / 2 K = m3/h at a pressure drop of 1 bar with thermostatic head.

    Connection on the radiator right

    Thermostatic three-way valve body

    Connection on the radiator right

    Bypass connection
    DN
    D
    d2
    Kv Radiator
    [xp] 1 K / 2 K 1)
    Kv
    total 2)
    EAN
    Article No
    DN 15 (1/2")
    Screwed nipple
    15
    Rp1/2
    R1/2
    0,38 / 0,73
    1,45
    4024052221615
    4150-02.000

    1) Distribution ratio at 2.0 K approx. 50%.
    2) Total Kv-value for radiator and bypass.

    *) SW1: 27mm, SW2: 30mm


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

    Kv [xp] max. 1 K / 2 K = m3/h at a pressure drop of 1 bar with thermostatic head.

    Connection on the radiator left or right

    Bypass T-piece

    Connection on the radiator left or right

    Bypass connection
    DN
    D
    d2
    EAN
    Article No
    DN 15 (1/2")
    Screwed nipple
    15
    Rp1/2
    R1/2
    4024052222117
    4154-02.000

    *) SW1: 27mm, SW2: 30mm

    Accessories

    For the application of thermostatic three-way valve bodies in one-pipe heating systems.The circuit flow rate is designed to be distributed to 35% radiator and 65% bypass.Kv-value total 2,40 [m3/h] (with 2 K p-band).Flow diagram on request.

    Retrofit thermostatic insert

    For the application of thermostatic three-way valve bodies in one-pipe heating systems.
    The circuit flow rate is designed to be distributed to 35% radiator and 65% bypass.
    Kv-value total 2,40 [m3/h] (with 2 K p-band).
    Flow diagram on request.

    EAN
    Article No
    4024052217410
    4101-03.300

    for copper or precision steel pipe according to DIN EN 1057/10305-1/2.Female thread connection Rp3/8 – Rp3/4.Metal-to-metal joint. Brass nickel-plated.Support sleeves should be used for a pipe wall thickness of 0.8 – 1 mm. Follow the specifications of the pipe manufacturer.

    Compression fitting

    for copper or precision steel pipe according to DIN EN 1057/10305-1/2.
    Female thread connection Rp3/8 – Rp3/4.
    Metal-to-metal joint.
    Brass nickel-plated.
    Support sleeves should be used for a pipe wall thickness of 0.8 – 1 mm. Follow the specifications of the pipe manufacturer.

    Ø Pipe
    DN
    EAN
    Article No
    12
    10 (3/8")
    4024052174614
    2201-12.351
    14
    15 (1/2")
    4024052174713
    2201-14.351
    15
    15 (1/2")
    4024052175017
    2201-15.351
    16
    15 (1/2")
    4024052175116
    2201-16.351
    18
    20 (3/4")
    4024052175215
    2201-18.351

    for copper or precision steel pipe with a 1 mm wall thickness. Brass.

    Support sleeve

    for copper or precision steel pipe with a 1 mm wall thickness.
    Brass.

    Ø Pipe
    L
    EAN
    Article No
    12
    25,0
    4024052127016
    1300-12.170
    15
    26,0
    4024052127917
    1300-15.170
    16
    26,3
    4024052128419
    1300-16.170
    18
    26,8
    4024052128815
    1300-18.170

    for Alu/PEX multi-layer pipe according to DIN 16836. Female thread connection Rp1/2.Nickel-plated brass.

    Compression fitting

    for Alu/PEX multi-layer pipe according to DIN 16836.
    Female thread connection Rp1/2.
    Nickel-plated brass.

    Ø Pipe
    EAN
    Article No
    16 x 2
    4024052138616
    1335-16.351

    For clamping plastic, copper, precision steel or multi-layer pipes.Nickel-plated brass.

    Double connection fitting

    For clamping plastic, copper, precision steel or multi-layer pipes.
    Nickel-plated brass.

    L
    EAN
    Article No
    G3/4 x R1/2
    26
    4024052308415
    1321-12.083

    for copper or precision steel pipe according to DIN EN 1057/10305-1/2. Connection male thread G3/4 according to DIN EN 16313 (Eurocone). Metal-to-metal joint. Nickel-plated brass. With a pipe wall thickness of 0.8-1 mm insert supporting sleeves. Heed pipe manufacturer’s technical advice.

    Compression fitting

    for copper or precision steel pipe according to DIN EN 1057/10305-1/2.
    Connection male thread G3/4 according to DIN EN 16313 (Eurocone).
    Metal-to-metal joint.
    Nickel-plated brass.
    With a pipe wall thickness of 0.8-1 mm insert supporting sleeves. Heed pipe manufacturer’s technical advice.

    Ø Pipe
    EAN
    Article No
    12
    4024052214211
    3831-12.351
    14
    4024052214310
    3831-14.351
    15
    4024052214617
    3831-15.351
    16
    4024052214914
    3831-16.351
    18
    4024052215218
    3831-18.351

    for copper or precision steel pipe according to DIN EN 1057/10305-1/2 and stainless steel pipe. Connection male thread G3/4 according to DIN EN 16313 (Eurocone). Soft sealed, max. 95°C. Nickel-plated brass.

    Compression fitting

    for copper or precision steel pipe according to DIN EN 1057/10305-1/2 and stainless steel pipe.
    Connection male thread G3/4 according to DIN EN 16313 (Eurocone).
    Soft sealed, max. 95°C.
    Nickel-plated brass.

    Ø Pipe
    EAN
    Article No
    15
    4024052515851
    1313-15.351
    18
    4024052516056
    1313-18.351

    for plastic pipe according to DIN 4726, ISO 10508. PE-X: DIN 16892/16893, EN ISO 15875; PB: DIN 16968/16969. Connection male thread G3/4 according to DIN EN 16313 (Eurocone). Nickel-plated brass.

    Compression fitting

    for plastic pipe according to DIN 4726, ISO 10508. PE-X: DIN 16892/16893, EN ISO 15875; PB: DIN 16968/16969.
    Connection male thread G3/4 according to DIN EN 16313 (Eurocone).
    Nickel-plated brass.

    Ø Pipe
    EAN
    Article No
    12x1,1
    4024052136018
    1315-12.351
    14x2
    4024052134618
    1311-14.351
    16x1,5
    4024052136117
    1315-16.351
    16x2
    4024052134816
    1311-16.351
    17x2
    4024052134915
    1311-17.351
    18x2
    4024052135110
    1311-18.351
    20x2
    4024052135318
    1311-20.351

    for Alu/PEX multi-layer pipe according to DIN 16836. Connection male thread G3/4 according to DIN EN 16313 (Eurocone).Nickel-plated brass.

    Compression fitting

    for Alu/PEX multi-layer pipe according to DIN 16836.
    Connection male thread G3/4 according to DIN EN 16313 (Eurocone).
    Nickel-plated brass.

    Ø Pipe
    EAN
    Article No
    16x2
    4024052137312
    1331-16.351
    18x2
    4024052137411
    1331-18.351

    Dreiwege-Bypass-Ventil

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    4150-02-000

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    4151-02-000-4c-hi

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    4156-02-000

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    4154-02-000-4c-hi

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