Overview
The Belimo Z2100Q-K+CQKX24 ZoneTight QCV is a 1-inch, 2-way zone valve assembly designed for on/off hydronic control in HVAC systems. It features an electronic fail-safe actuator that automatically safety-positions the valve during a power interruption.
Features
- Electronic fail-safe mechanism ensures reliable positioning upon power loss
- Compact ZoneTight design enables installation in confined spaces
- Tool-free snap-on connection between valve and actuator
- Energy-efficient operation with low power consumption
Specifications
- Valve Size: 1 inch (DN 25)
- Valve Pattern: 2-way
- Flow Capacity: Cv 8.2
- Power Supply: AC/DC 24 V
- Control Type: On/Off
- Actuator Type: Electronic fail-safe
Applications
- Control of chilled or hot water in commercial HVAC systems
- Temperature regulation in fan coil units, VAV reheat coils, and unit ventilators



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