Solar thermostatic mixing valve VTS522, temperature range 45–65 °C, Kvs 3.2
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VTS522 solar thermostatic mixing valve from the Solar VTS520 series, designed for distributing domestic hot water in solar heating systems, where high temperatures require more durable components. It offers high-temperature resistance, scald protection and legionella protection, as well as highly precise regulation within the 45-65°C range. Its asymmetric flow model (kvs 3.2) and suitability for systems with hot-water circulation (HWC) make it a versatile and reliable solution. The housing and fluid-contact parts are made of dezincification-resistant brass (DZR), ensuring a long service life. A professional component ideal for optimising the energy efficiency of solar systems while ensuring safety and comfort when supplying domestic hot water.
Technical features:
- Type: VTS520 series solar thermostatic mixing valve
- Temperature range: 45-65°C, kvs 3.2
- Connection: 1", male thread (G) ISO 228/1 / (R) EN 10226-1
- Nominal pressure PN 10, operating pressure 1.0 MPa (10 bar), maximum differential pressure 0.3 MPa (3 bar)
- Fluid temperature: max. continuous 110°C, temporarily 120°C
- Temperature stability: ±4°C
- Material: dezincification-resistant brass (DZR)
- Scald and legionella protection; suitable for HWC
- Compliance: PED 2014/68/EU Art. 4.3, ACS, KTW/WRAS, UBA