Overview
The Belimo Z2100QPF-K+CQKB24-SR-RR is a 1-inch, 2-way ZoneTight Quick Control Valve (QCV) assembly featuring press-fit end connections and a normally closed modulating electronic fail-safe actuator.
Features
- Modulating 2…10 V control signal for accurate dynamic hydronic control
- Electronic fail-safe forces actuator to fail-closed position upon power loss
- Press-fit joint style for rapid and safe pipe connection
- Simple snap-on tool-free mounting design
Specifications
- Valve Size: 1″
- Connection Type: Press Fit
- Valve Type: 2-way
- Flow Coefficient: Cv 8.2
- Control Signal: 2…10 V (Modulating)
- Nominal Voltage: AC/DC 24 V
- Fail-Safe Position: Normally Closed (Fail-Closed)
Applications
- Commercial HVAC hydronic temperature and flow modulation
- Fan coil units, VAV reheat coils, and radiant floor systems
- Systems needing modulating accuracy paired with fail-closed safety


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