Overview
The Belimo Z2100Q-K+CQB24-SR-L is a 1-inch 2-way modulating zone valve assembly operating in a Normally Open orientation.
Features
- Modulating 2…10 V control signal for precise temperature control
- Tool-free snap-on actuator installation on the valve body
- Low power consumption for energy-efficient operation
- Normally Open valve configuration
Specifications
- Valve Size: 1 in [25 mm]
- Flow Capacity: Cv 8.2
- Control Signal: 2…10 V (Modulating)
- Operating Voltage: AC/DC 24 V
- Normal Position: Normally Open (Left orientation)
- Actuator Type: Non-fail-safe
Applications
- Proportional flow modulation in chilled and hot water systems
- Zone control in fan coil units and VAV reheat coils


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