Overview
The Belimo Z2100QPF-K+CQKB24-SR-RL is a 1-inch, 2-way ZoneTight Quick Control Valve (QCV) combination with press-fit end connections and a modulating electronic fail-safe actuator configured for fail-open safety positioning.
Features
- Modulating 2…10 V control signal for continuous temperature management
- Electronic fail-safe mechanism returns actuator to open position on power loss
- Press-fit connections eliminate soldering and thread cutting
- Compact footprint allows mounting in tight mechanical enclosures
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-Open (Normally Closed operating orientation)
Applications
- Proportional hydronic flow control in commercial HVAC systems
- Fan coil units, unit ventilators, and air heating coils
- Systems requiring fail-open protection with normally closed operation


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