Features & Benefits

    RVT valve (FLOWRETT)

    Ensures trouble-free operation and reduced maintenance costs.

    Calypso TRV-3 valve (TWORETT)

    For accurate balancing, trouble-free operation and better comfort.

    Low flow charateristics (TWORETT)

    Flow range from a very low flow up to standard level.

    Diverter TA-UNI

    Convertible for one- or two-pipe application

    Bottom or side connection

    Ensures smoother installation.

    Technical description

    Application:

    Heating systems

    Functions:

    Regulating
    Presetting
    Shut-off

    Dimensions:

    DN 10

    Pressure classe:

    PN 10

    Max. differential pressure:

    The max. pressure difference allowed for the valve not to open against a closed thermostat: 100 kPa.

    Temperature:

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

    Material:

    Diverters:
    Valve body: Hot stamped brass
    Valve stem: Brass
    O-rings: EPDM rubber

    Radiator valves:
    Valve body: Brass
    O-rings: EPDM rubber
    Return spring: Stainless steel
    RVT/RVO:
    Valve disc: EPDM rubber
    Valve insert: Brass. (The complete thermostatic insert can be replaced using the fitting tool without draining the system.)
    Spindle: Niro-steel spindle with double O-ring sealing. (The outer O-ring can be replaced under pressure.)
    Calypso TRV-3:
    Valve disc: NBR rubber
    Valve insert: Brass, PPS (polyphenylsulphide) and SPS (syndiotactic polystyrene). (The complete thermostatic insert can be replaced using the fitting tool without draining the system.)
    Spindle: Niro-steel spindle with double O-ring sealing.

    Others:
    Connection pipes: Steel
    Radiator connections: AMETAL®


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

    Surface treatment:

    Nickel-plated

    Identification:

    The distributors are marked with TA and a flow direction arrow on the valve body.
    FLOWRETT:
    The RSD 821 cap without splines.
    TWORETT:
    The RSD 802 cap with splines.
    TA-UNI:
    Cap without splines.

    Radiator valves:
    All radiator valves are marked with TA, country code, flow direction arrow, DN and KEYMARK-Designation on the valve body.
    Calypso TRV-3: Red protection cap. Upper part of valve insert: Red.
    RVT: Black protection cap. Black stuffing box.
    RVO: White handwheel. Black stuffing box.

    Connection to thermostatic head:

    M30x1.5

    Diverter

    TWORETT/RSD 802

    DN
    Da
    Kvs*
    EAN
    Article No
    2-pipe
    10
    M22x1,5
    1,54
    7318792694400
    50 802-100

    FLOWRETT/RSD 821

    DN
    Da
    Kvs*
    EAN
    Article No
    1-pipe
    10
    M22x1,5
    1,5
    7318792693700
    50 801-100

    Convertable 1-pipe/-2-pipe

    TA-UNI

    Convertable 1-pipe/-2-pipe

    DN
    Da
    Kvs*
    EAN
    Article No
    1-pipe
    10
    M22x1,5
    1,5
    7318792642807
    50 600-100
    2-pipe
    1,0

    *) Whole manifold assembly.

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

    Valves with presetting

    Thermostatic controlled

    Calypso TRV-3 Straight

    Thermostatic controlled

    DN
    D
    Da
    L1
    L2**
    H
    KvΔT2K
    EAN
    Article No
    10
    12
    M22x1,5
    22,5
    110
    50
    0,010-0,520
    4024052947010
    50 820-012

    Thermostatic controlled

    Calypso TRV-3 Reversed angle

    Thermostatic controlled

    DN
    D
    Da
    L
    L1
    L2**
    H
    KvΔT2K
    EAN
    Article No
    10
    12
    M22x1,5
    27
    37
    125
    46,5
    0,010-0,520
    4024052946914
    50 824-012

    **) Valve with fitted thermostatic head K.

    KvΔT2K = The values are valid when used together with thermostic head K (without diverter).

    Valves without presetting

    Thermostatic controlled (not suitable for two-pipe system)

    RVT Angle

    Thermostatic controlled (not suitable for two-pipe system)

    DN
    D
    Da
    L
    L1
    L2**
    H
    KvΔT2K
    Kvs
    EAN
    Article No
    10
    12
    M22x1,5
    27
    37
    125
    46,5
    0,65
    1,00
    7318794030404
    50 520-312

    **) Valve with fitted thermostatic head K.

    Hand controlled

    RVO Angle

    Hand controlled

    DN
    D
    Da
    L
    L1
    H
    Kvs
    EAN
    Article No
    10
    12
    M22x1,5
    27
    68,5
    46,5
    1,00
    7318794030503
    50 610-312

    KvΔT2K = The values are valid when used together with thermostic head K (without diverter).

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

    Connection pipe

    Pipe – standard length

    L
    ØD
    EAN
    Article No
    1100
    12
    7318793923103
    50 630-001

    Cut lengths for straight valve

    c/c
    EAN
    Article No *
    145
    7318793912503
    50 630-064
    149-150
    7318793912701
    50 630-069
    240
    7318793914408
    50 630-160
    248-250
    7318793914705
    50 630-168
    340
    7318793915900
    50 630-260
    348-350
    7318793916105
    50 630-268
    385-387
    7318793916709
    50 630-305
    398-400
    7318793917003
    50 630-318
    440
    7318793917409
    50 630-360
    446
    7318793917607
    50 630-365
    448-450
    7318793917706
    50 630-368
    485
    7318793918307
    50 630-405
    505
    7318793945709
    50 630-425
    540
    7318793919106
    50 630-460
    546
    7318793919304
    50 630-465
    548-550
    7318793919403
    50 630-468
    600
    7318793920201
    50 630-520
    845-846
    7318793921505
    50 630-765

    *) The last three digits of the article number represents to the pipe length, e.g. 50 630-305 = 305 mm.

    Cut lengths for reversed angle valve

    c/c
    EAN
    Article No *
    245-246
    7318793915306
    50 630-202
    248-250
    7318793915504
    50 630-205
    345-346
    7318793916501
    50 630-302
    348-350
    7318793916709
    50 630-305
    355
    7318793916907
    50 630-312
    446
    7318793918109
    50 630-402
    448-450
    7318793918307
    50 630-405
    546
    7318793919700
    50 630-502
    548-550
    7318793919908
    50 630-505

    *) The last three digits of the article number represents to the pipe length, e.g. 50 630-305 = 305 mm.

    Radiator connections

    Elbow

    d
    Da
    L
    H
    EAN
    Article No
    M22x1,5
    M22x1,5
    27
    26,5
    7318792689802
    50 702-510

    Straight

    d
    Da
    L
    L1
    EAN
    Article No
    R3/8
    M22x1,5
    25
    8
    7318792687402
    50 701-510
    R1/2
    M22x1,5
    25
    10
    7318792687600
    50 701-516

    Straight with O-ring

    d
    Da
    L
    EAN
    Article No
    G1/2
    M22x1,5
    33
    7318793825803
    50 707-616

    For ALU/PEX pipe.

    Connection set FPL-MT with O-ring

    For ALU/PEX pipe.

    d
    L1
    For MT-pipe
    D
    N
    EAN
    Article No
    M22x1,5
    14
    16x2,0 *
    25
    7318792963100
    53 693-116

    1) Over all length.

    *) Support bush made of brass CW724R.

    Accessories

    For V-exact II from 2012, Calypso exact, Calypso TRV-3 and Vekolux.Color grey.

    Setting key

    For V-exact II from 2012, Calypso exact, Calypso TRV-3 and Vekolux.
    Color grey.

    EAN
    Article No
    4024052035823
    3670-01.142

    complete with case, box spanner and replacement seals, for replacing thermostatic inserts without draining off the heating system (for DN 10 to DN 20).

    Fitting tool

    complete with case, box spanner and replacement seals, for replacing thermostatic inserts without draining off the heating system (for DN 10 to DN 20).

    EAN
    Article No
    4024052298914
    9721-00.000



    Thermostatic heads - see catalogue leaflets K, DX and Halo.
    Thermoelectric actuators - see catalogue leaflets EMO T and TA-Slider 160.
    Other accessories - see catalogue leaflet ACCESSORIES AND SPARE PARTS.
    Couplings - see catalogue leaflets FPL, FPL-MT and FPL-PX.

    Spare parts

    Calypso TRV-3

    Valve insert

    Calypso TRV-3

    Can be replaced during operation.

    EAN
    Article No
    4024052973316
    3670-00.300

    NOTE: Presetting and values according to thermostatic valve body V-exact II, see www.imi-hydronic.com.

    Special insert Calypso TRV-3 for inverse direction of flow with reversed supply and return pipes

    NOTE: Presetting and values according to thermostatic valve body V-exact II, see www.imi-hydronic.com.

    Can be replaced during operation.

    EAN
    Article No
    4024052951611
    3700-24.300

    RVT, RVO

    Valve insert

    RVT, RVO

    Can be replaced during operation.

    EAN
    Article No
    4024052132614
    1302-02.300

    Handwheel

    L
    EAN
    Article No
    36
    4024052323494
    1303-01.325

    TA-UNI_TRV-3_straight_w_rad_conn_persp

    Select a format Download

    TWORETT_angle

    Select a format Download

    RSD802_persp

    Select a format Download

    TWORETT_angle_persp

    Select a format Download

    FLOWRETT_angle_persp

    Select a format Download

    TA-UNI_persp

    Select a format Download

    FLOWRETT_TWORETT

    Select a format Download

    TWORETT_straight_w_rad_conn

    Select a format Download

    FLOWRETT_angle

    Select a format Download

    RSD802

    Select a format Download

    TWORETT_straight_persp

    Select a format Download

    TA-UNI_TRV-3_straight_w_rad_conn

    Select a format Download

    RSD801

    Select a format Download

    50630001

    Select a format Download

    TA-UNI

    Select a format Download

    RSD801_persp

    Select a format Download

    TWORETT_straight_w_rad_conn_persp

    Select a format Download

    TWORETT_straight

    Select a format Download

    Drawings