Siemens VBF21.50 3-Way Rotary Valve DN50
Achieve precise flow management and energy efficiency in heating and cooling circuits.
The Siemens VBF21.50 3-Way Rotary Valve DN50 delivers precise flow management for energy efficiency and comfort in HVAC systems. In addition, it controls flow direction and mixing ratios with high accuracy in heating and cooling circuits. Moreover, its PN6 pressure class and 40 m³/h Kvs value make it an effective solution for large installations.
This valve features a cast iron body that withstands temperatures from 1°C to 120°C. Furthermore, the flanged connection type reduces installation time. It switches between mixing and diverting modes to manage dual flow lines in a single body. In addition, it integrates with Siemens SAX, SKD, and SKB series actuators for easy adaptation to automatic control systems. Consequently, production according to EN 1171 and ISO 4401 standards guarantees reliable operation.
Siemens VBF21.50 3-Way Rotary Valve — Technical Specifications
This valve is ideal for central heating systems with outdoor air compensation to automatically balance temperature. In addition, it is perfect for mixing hot and cold water in air handling units. Therefore, it is widely used in cooling towers and building automation projects. Moreover, it contributes to energy savings in hospitals and hotels.
Key Advantages
- High Kvs value enables effective flow control in large-volume installations.
- Mixing and diverting modes adapt to different application requirements.
- Cast iron body and wide temperature range ensure long-lasting and reliable operation.
Applications
- Central heating systems and outdoor air compensated control units
- Temperature mixing in air handling units and cooling towers
- Precise flow management in building automation, hospital, and hotel HVAC systems
In conclusion, the Siemens VBF21.50 3-Way Rotary Valve is a reliable flow control solution for HVAC professionals. ORFA Industrial has served as an authorized distributor for industrial valves and actuators since 1985, supplying worldwide and providing technical support. Contact us for stock availability and technical assistance.
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