Overview
The Belimo Z2050QPF-F+CQKB24-LL is an electronic fail-safe 1/2″ 2-way press fit valve combination configured as Normally Open with an Open fail-safe power-loss position.
Features
- Electronic fail-safe technology returns valve to Open position upon power outage
- Fast press fit connection system for press-capable piping
- Energy-efficient operation with electronic capacitor storage
- Compact profile suitable for manifold and zone enclosures
Specifications
- Valve Size: 1/2″
- Configuration: 2-way
- Flow Coefficient: Cv 1.4
- Actuator Type: Electronic fail-safe
- Voltage: AC/DC 24 V
- Control Type: On/Off
- Fail-Safe Position: Open (Normally Open)
Applications
- Safety-critical hydronic heating zone applications requiring open flow during power loss
- Freeze-protection hydronic coils and commercial terminal units


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