VTD322 zone valve, G 1, 45°C
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The VTD322 zone valve with a G 1" connection is an intelligent thermostatic diverter designed for zone applications in heating systems. Its main advantage is fully autonomous operation: it requires no electrical power, as switching occurs according to the fluid temperature. When the incoming water is below the nominal diversion temperature of 45°C, the flow is directed to port B; when it exceeds this temperature, it is switched to port A. This automatic management optimizes heat distribution, maximizing the use of available energy. The dezincification-resistant brass body (DZR) ensures reliability and long service life. Ideal for underfloor heating and zone circuits, it offers a simple, eco-friendly solution with no electrical maintenance, perfect for those seeking efficiency without system complexity.
Technical specifications:
- VTD300 series, male threaded connection G 1" (ISO 228/1)
- Thermostatic operation, without electrical power supply
- Nominal diversion temperature: 45°C ±2°C
- Switching-point accuracy: ±1°C
- Nominal pressure: PN 10
- Fluid temperature: max. 100°C continuous / 110°C temporary, min. 0°C
- Max. differential pressure: 100 kPa (1.0 bar)
- Leakage AB-A / AB-B: watertight seal
- Fluid: heating water (VDI2035) or water/glycol mixtures, max. 50%
- Dezincification-resistant brass body (DZR)