Overview
The Belimo Z2100QPF-K+CQKB24-SR-LR is a 1-inch, 2-way ZoneTight Quick Control Valve (QCV) assembly featuring press-fit piping connections and a modulating electronic fail-safe actuator configured for fail-closed safety position.
Features
- Dynamic modulating control via a 2…10 V input signal
- Electronic fail-safe drives the actuator to a closed position on power interruption
- Fast press-fit connection system simplifies site installation
- Tool-free actuator attachment to valve flange
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: Fail-Closed (Normally Open operating orientation)
Applications
- Hydronic heating and chilled water zone control in commercial buildings
- Fan coil units, VAV reheat coils, and radiant ceiling panels
- Modulating HVAC applications requiring safe fail-closed isolation


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