Description
Optimised for Modulating Control of Air-Handling and Heating Systems
Introducing the Belimo PI Zone Valve, a state-of-the-art solution designed for closed cold and warm water systems, ensuring efficient and precise modulating control of air-handling and heating systems on the water side. With robust construction and advanced features, this valve is perfect for tradesmen and engineering companies looking for reliable and durable components.
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Snap-Assembly of the Actuator: Quick and easy installation with snap-assembly.
Equal Percentage Flow Control: Ensured by the special design of the ball for optimal performance.
Integrated Pressure Regulating Valve: Achieves constant flow volume regardless of differential pressure.
Measuring Ports: Equipped with P/T ports to easily determine pressure drops and ensure accurate flow rate.
Technical Specifications
- Fluid: Cold and warm water, water with glycol up to max. 50% vol.
- Fluid Temperature: -20...120°C [-4.0...248°F]
- Differential Pressure: 16...350 kPa
- Close-off Pressure: 1400 kPa
- Flow Characteristic: Equal percentage (VDI/VDE 2173), optimised in the opening range
- Pressure Stability: ±5% (35...350 kPa), ±10% (16...35 kPa)
- Leakage Rate: Air-bubble tight, leakage rate A (EN 12266-1)
- Angle of Rotation: 90° (Operating range 15...90°)
- Pipe Connection: Internal thread according to ISO 7-1
- Installation Orientation: Upright to horizontal
- Servicing: Maintenance-free
Materials
- Valve Body: Brass
- Closing Element: Stainless steel
- Spindle: Stainless steel
- Spindle Seal: EPDM O-ring
- Seat: PTFE, O-ring EPDM
- Diaphragm: EPDM
Accessories
- Spindle Extension: CQ ZCQ-E
- Flow Limiter: PIQCV ZCQ-FL
- Pipe Connectors:
-
DN 15 Rp 1/2" (ZR2315)
-
DN 20 Rp 3/4" (ZR2320)
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DN 25 Rp 1" (ZR2325)
Why You Should Buy
The Belimo PI Zone Valve is a top-tier choice for anyone needing a reliable and efficient valve for modulating control in air-handling and heating systems. Its advanced features, such as the integrated pressure regulating valve and equal percentage flow control, ensure consistent performance and long-term durability. With a range of sizes and accessories available, this valve meets the diverse needs of tradesmen and engineering companies.
For more information and to explore our range of Belimo products, visit our website at https://ecospares.co.uk/collections/belimo. If you need any assistance, please call us on 01772 284 626.