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 Information
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 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
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.
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 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 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 |
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 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 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.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 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 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 |