Description
PI Zone Valve (PIQCV), 2-way, DN 15, Internal thread, Rp 1/2", PN 25, ps 1600 kPa, V'nom 420 l/h, Fluid temperature -20...120°C [-4...248°F] (with actuator 2...90°C)
Belimo PI Zone Valve, 2Way, Internal Thread
The Belimo PI Zone Valve is an advanced solution designed for modulating control of airhandling and heating systems on the water side, ideal for use in closed cold and warm water systems. Its snapassembly actuator ensures ease of installation and reliable operation. Explore our comprehensive range here on ECO SPARES
Product Overview
Type Overview:
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C215QPB: DN 15, Rp 1/2, Nominal Flow 0.058 l/s, 210 l/h, 0.21 m³/h
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C215QPD: DN 15, Rp 1/2, Nominal Flow 0.117 l/s, 420 l/h, 0.42 m³/h
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C215QPTB: DN 15, Rp 1/2, Nominal Flow 0.058 l/s, 210 l/h, 0.21 m³/h
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C215QPTD: DN 15, Rp 1/2, Nominal Flow 0.117 l/s, 420 l/h, 0.42 m³/h
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C220QPF: DN 20, Rp 3/4, Nominal Flow 0.272 l/s, 980 l/h, 0.98 m³/h
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C220QPTF: DN 20, Rp 3/4, Nominal Flow 0.272 l/s, 980 l/h, 0.98 m³/h
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C225QPTG: DN 25, Rp 1, Nominal Flow 0.583 l/s, 2100 l/h, 2.1 m³/h
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PT = Version with measuring ports (P/T ports)
Technical Specifications
Functional Data
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Fluid: Cold and warm water, water with glycol up to max. 50% vol.
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Fluid Temperature: 20...120°C [4.0...248°F], with actuator 2...90°C
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Differential Pressure: 16...350 kPa
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Closeoff Pressure: ∆ps 1400 kPa
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Flow Characteristic: Equal percentage (VDI/VDE 2173), optimized in the opening range
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Pressure Stability: ±5% with a pressure value of 35...350 kPa, ±10% with a pressure value of 16...35 kPa
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Leakage Rate: Airbubble tight, leakage rate A (EN 122661)
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Angle of Rotation: 90°, Operating range 15...90°
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Pipe Connection: Internal thread according to ISO 71
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Installation Orientation: Upright to horizontal (in relation to the stem)
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Servicing: Maintenance free
Materials
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Valve Body: Brass
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Closing Element: Stainless steel
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Spindle: Stainless steel
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Spindle Seal: EPDM Oring
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Seat: PTFE, Oring EPDM
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Diaphragm: EPDM
Safety Notes
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Designed for use in stationary heating, ventilation, and air conditioning systems.
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Only authorised specialists may carry out installation.
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Must not be used outside the specified field of application.
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Disposal must follow local regulations.
Product Features
- Operating Mode: Adjusted by a rotary actuator, controlled by a commercially available modulating or 3 point control system.
- Flow Characteristic: Equal percentage flow control ensured by the special design of the ball.
- Constant Flow Volume: Achieved with a differential pressure of 16…350 kPa.
- Measuring Ports (P/T Ports): Available in C2..QPT.. type valves for differential pressure measurement and optimization.
Installation Notes
- Permissible installation orientation is upright to horizontal, not hanging.
- Installation in the return is recommended.
- Adhere to VDI 2035 water quality requirements.
- Keep valves free from particle debris; installation of a suitable strainer is recommended.
- Ensure flow direction as specified by the arrow on the housing.
Accessories
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Spindle Extension: CQ ZCQE
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Flow Limiter: PIQCV ZCQFL
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Pipe Connector:
DN 15 Rp 1/2" ZR2315
DN 20 Rp 3/4" ZR2320
DN 25 Rp 1" ZR2325
For more details and to view our entire range, please visit (http://www.ecospares.co.uk). If you need assistance, feel free to get in touch with us.