Thermostatic mixing valve
VTA350, VTA550
- Anti-scald and anti-legionella protection.
- Accuracy of regulation.
- Suitable for HWC (hot water circulation).
The series VTA350/VTA550 for domestic hot water distribution, anti-scalded tempering in line applications and where further temperature control devices have been installed at the water taps. These series of valves are also suitable for domestic hot water installations equipped with HWC (hot water circulation).
Product range
VTA351, Internal thread
| Art.no. | Reference | Temp. range [⁰C] | Kvs | Connection E | A [mm] | B [mm] | C [mm] | D [mm] | Weight [kg] |
| 31104900 | VTA351 | 35 - 60 | 1,6 | Rp ¾" | 70 | 42 | 52 | 46 | 0,48 |
VTA352/VTA552, External thread
| Art.no. | Reference | Temp. range [⁰C] | Kvs | Connection E | A [mm] | B [mm] | C [mm] | D [mm] | Weight [kg] |
| 31660100 | VTA552 | 20 - 43 | 3,2 | G 1" | 84 | 50 | 60 | 56 | 0,78 |
| 31660400 | VTA552 | 20 - 43 | 3,5 | G 1¼" | 84 | 50 | 60 | 56 | 0,87 |
| 31105000 | VTA352 | 35 - 60 | 1,5 | G ¾" | 70 | 42 | 52 | 46 | 0,45 |
| 31105100 | VTA352 | 35 - 60 | 1,6 | G 1" | 70 | 42 | 52 | 46 | 0,48 |
| 31660200 | VTA552 | 45 - 65 | 3,2 | G 1" | 84 | 50 | 60 | 56 | 0,78 |
| 31660500 | VTA552 | 45 - 65 | 3,5 | G 1¼" | 84 | 50 | 60 | 56 | 0,87 |
| 31660300 | VTA552 | 50 - 75 | 3,2 | G 1" | 84 | 50 | 60 | 56 | 0,78 |
| 31660600 | VTA552 | 50 - 75 | 3,5 | G 1¼" | 84 | 50 | 60 | 56 | 0,87 |
VTA352, External thread and integrated check valves
| Art.no. | Reference | Temp. range [⁰C] | Kvs | Connection E | A [mm] | B [mm] | C [mm] | D [mm] | F [mm] | Weight [kg] | Note |
| 31106100 | VTA352 | 35 - 60 | 1,5 | G 1" | 70 | 42 | 52 | 46 | 74 | 0,48 | Two checkvalves for both hot and cold water are integrated |
VTA353, Compression fittings
| Art.no. | Reference | Temp. range [⁰C] | Kvs | Connection E | A [mm] | B [mm] | C [mm] | D [mm] | Weight [kg] |
| 31105200 | VTA353 | 35 - 60 | 1,5 | CPF 22 mm | 70 | 42 | 52 | 46 | 0,57 |
Installation support
Operation
Installation example
Documents
Technical data
Technical data
| Pressure class: | PN 10 |
| Working pressure: | 1,0 MPa |
| max. Differential pressure, Mixing: | 0,3 MPa |
| Temperature stability: | VTA350: ±2 °C*; VTA550: ±4 °C**; * Valid at unchanged hot/cold water pressure, minimum flow rate 4 l/min. Minimum temperature difference between hot water inlet and mixed water outlet 10°C. ** Valid at unchanged hot/cold water pressure, minimum flow rate 9 l/min. Minimum temperature difference between hot water inlet and mixed water outlet 10°C. |
| Media temperature, max.: | +95 °C |
| Media temperature VTA550 temporarily max.: | +100 °C |
| Connections, Internal thread (Rp): | EN 10226-1 |
| Connections, External thread (G): | ISO 228/1 |
| Connections, External thread (R): | EN 10226-1 |
| Connections, Compression fitting (CPF): | EN 1254-2 |
| Material, Valve housing and other metal parts with fluid contact: | Dezincification resistant brass, DZR |
Conformity
SI 2016 No. 1105 (UK)
4MS/KTW-BWGL
ÜA R-15.2.4-22-17605 (AT)
Dimensioning
Accessories and spare parts
Spare parts
| Art No. | Reference | Designation | Note | Data sheet | Instruction manual | |
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37000800 | VTA936 | ESBE VTA936 Exchange kit VTA360, 35 - 60°C | VTA350, VTA360 |  |
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37100400 | VTA955 | ESBE VTA955 Exchange kit series VTA550, 20 - 43°C | VTA550 | |
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37100500 | VTA955 | ESBE VTA955 Exchange kit series VTA550, 45 - 65°C | VTA550 | |
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37100600 | VTA955 | ESBE VTA955 Exchange kit series VTA550, 50 - 75°C | VTA550 | |
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98080480 | VTA903 | ESBE VTA903 Adjusting knob, series VTA300 | |
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98080420 | VTA903 | ESBE VTA903 Top knob, series VTA300 | |
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Connection kit KTD200, KTD300
| Art No. | Reference | Designation | Note | Data sheet | Instruction manual | |
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36552200 | KTD212 | Connection kit with external thread R ¾" for use on externally threaded valves G 1". | One check valves included. Suits series VTS522, VTS552, VTA331, VTA532, VTA362, VTA562, VTA322, VTA522, VTA352, VTA552, VTA372, VTA572, VMC312. | |
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36552400 | KTD312 | Connection kit with external thread R ¾" for use on externally threaded valves G 1". | Two check valves included. Suits series VTS522, VTS552, VTA331, VTA532, VTA362, VTA562, VTA322, VTA522, VTA352, VTA552, VTA372, VTA572, VMC312. | |
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36552300 | KTD212 | Connection kit with external thread R 1" for use on externally threaded valves G 1¼". | One check valves included. Suits series VTS522, VTS552, VTA331, VTA532, VTA362, VTA562, VTA322, VTA522, VTA352, VTA552, VTA372, VTA572, VMC312. | |
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36552500 | KTD312 | Connection kit with external thread R 1" for use on externally threaded valves G 1¼". | Two check valves included. Suits series VTS522, VTS552, VTA331, VTA532, VTA362, VTA562, VTA322, VTA522, VTA352, VTA552, VTA372, VTA572, VMC312. | |
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Connection kit KCD300
| Art No. | Reference | Designation | Note | Data sheet | Instruction manual | |
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36552900 | KCD313 | Connection kit with compression fittings CPF 22mm for use on externally threaded valves G1". | Two check valves included. Suits series VTS522, VTS552, VTA331, VTA532, VTA362, VTA562, VTA322, VTA522, VTA352, VTA552, VTA372, VTA572, VMC312. | |
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Download area
Download area
| Type | Preview | Download |
| Data Sheet | VTA350, VTA550 |
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| Installation instruction | VTA350 |
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| Installation Instruction | VTA550 |
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| Certificate | Declaration of Conformity, VTA350/VTA550 |
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| Certificate | Declaration of Conformity UKCA, VTA350/VTA550 |
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| Certificate | Building Product Declaration BPD3, VTA350 |
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| Certificate | Building Product Declaration BPD3, VTA550 |
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| Certificate | ÜA R-15.2.4-22-17605 (AT), VTA350/VTA550 |
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| Certificate | KIWA-21-DW-10120, VTA350 |
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| Certificate | KIWA-21-DW-10122, VTA550 |
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| Certificate | EAC certificate (RU), VTA350/VTA550 |
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| Certificate | UKRSEPRO certificate (UA), VTA350/VTA550 |
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| Approval | PZH-certificate (PL), VTA350/VTA550 |
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| Image | VTA351, high res |
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| Image | VTA352, high res |
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| Image | VTA352 with Check Valves, high res |
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| Image | VTA353, high res |
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| Image | VTA552, high res |
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| Image | VTA552 with adapters, high res |
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| 2D Image | VTA352 with check valves |
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| 2D Image | VTA550 |
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| 2D Image | VTA552 with adapters |
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| 3D drawing (stp file) | VTA352 G ¾" |
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| 3D drawing (stp file) | VTA352 CV G 1" |
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| 3D drawing (stp file) | VTA552 G 1" |
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| 3D drawing (stp file) | VTA552 R ¾" |
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Related materials
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 |
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|
VTS550 | The series VTS550 for domestic hot water distribution connected to solar heating systems. | Data Sheet | Installation instruction | |
 |
VTR300, VTR500 | The series VTR300 and VTR500 for hot water circulation installations. | Data sheet | Installation instruction | |
 |
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 |
VCA100 | ESBE Check valves series VCA100, check valves for internal use in pipes. | Data Sheet | ||
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VTA370, VTA570 | The series VTA370 and VTA570 are the number one choice for heating and cooling applications. | Data Sheet | Installation instruction | |
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 |
VSB100 | ESBE Safety valves series VSB100 are used to secure domestic hot water systems against excess pressure. | Data Sheet | Installation instruction |
Applications
Applications
Indirect potable hot water temperature control with a PHW controller CRS211.
Domestic hot water system with symmetrical flow.
Indirect potable hot water temperature control with a PHW controller CRS211 and flow limitation valve VTF320