Overview
The Belimo Z2100QPF-K+CQKX24-SR is a 1-inch, 2-way ZoneTight Quick Control Valve (QCV) combination with press-fit piping ends and a configurable modulating electronic fail-safe actuator operating on AC 24 V.
Features
- Modulating 2…10 V control signal for precise hydronic flow balancing
- Configurable electronic fail-safe mechanism for versatile operation
- Press-fit connections for clean and tool-free piping installation
- Snap-on actuator mounting for quick field servicing
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
- Actuator Type: Configurable Electronic Fail-Safe
Applications
- Proportional hydronic flow control in commercial HVAC systems
- Fan coil units, VAV reheat coils, and unit ventilators
- Systems requiring flexible modulating control with electronic fail-safe protection


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