Thermostatic mixing valve
VTA320, VTA520
- Anti-scald and anti-legionella protection.
- Accuracy of regulation.
- Suitable for HWC (hot water circulation).
- Now available in lead-free versions
The series VTA320/VTA520 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
Installation support
Operation
Installation examples
Documents
Technical data
Technical data
| Pressure class: | PN 10 |
| Working pressure: | 1,0 MPa |
| max. Differential pressure, Mixing: | 0,3 MPa |
| Temperature stability: | VTA320: ±2 °C*; VTA520: ±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 VTA520, 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; Lead free brass (versions marked LF) |
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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37000500 | VTA932 | ESBE VTA932 Exchange kit VTA320, 20 - 43°C | VTA320 |  |
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37000400 | VTA932 | ESBE VTA932 Exchange kit VTA320, 35 - 60°C | VTA320, VTR320 | |
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37001300 | VTA932 | ESBE VTA932 Exchange kit VTA320, 30 - 70°C | VTA320 | |
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37100100 | VTA952 | ESBE VTA952 Exchange kit series VTA520, 20 - 43°C | VTA520 | |
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37100200 | VTA952 | ESBE VTA952 Exchange kit series VTA520, 45 - 65°C | VTA520, VTR520 | |
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37100300 | VTA952 | ESBE VTA952 Exchange kit series VTA520, 50 - 75°C | VTA520, VTR520 | |
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37002000 | VTA932 LF | ESBE VTA932 LF Exchange kit VTA320, 35 - 60°C | VTA320 LF | |
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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
Related materials
Related products
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Applications
Applications
Domestic hot water control and termostatic under floor heating control in systems with district heating.
Heat pump with heating circuit and domestic hot water tank.
Domestic hot water with both in-line and point-of-use regulation.
Solar system with maximum use of the stratification in the storage tank.
Complete solid fuel application with domestic hot water and solar system.
Domestic hot water control in substations for district heating.
Domestic hot water control and regulation of under floor heating for systems with district heating.
Circulation unit with mixing valve together with controller for district heating systems.
Circulation unit with mixing valve together with controller for district heating systems.
Domestic hot water system with asymmetrical flow.