Overview
The Belimo Z2100QPF-K+CQKCB24-SR-RR is a 1-inch, 2-way ZoneTight Quick Control Valve (QCV) assembly featuring press-fit connections and a high-speed modulating electronic fail-safe actuator configured for normally closed fail-safe positioning.
Features
- Fast run-time electronic fail-safe actuator for quick system response
- Modulating 2…10 V control for precise fluid regulation
- Electronic fail-safe ensures positive closure during power failure
- Press-fit piping connections for fast field installation
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 24 V
- Fail-Safe Position: Normally Closed (Fail-Closed)
Applications
- High-performance hydronic zone control in commercial HVAC systems
- Fan coil units, unit ventilators, and VAV reheat coils
- Precision modulating applications needing fast fail-closed response


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