Overview
The Belimo Z2100Q-K+CQKB24-SR-LL is a 1-inch 2-way modulating zone valve assembly featuring electronic fail-safe protection with an Open fail-safe state.
Features
- Proportional 2…10 V modulating signal for accurate thermal regulation
- Electronic fail-safe function drives valve to Open position on power loss
- Tool-less snap attachment for fast field assembly
- Low power consumption for sustainable building operations
Specifications
- Valve Size: 1 in [25 mm]
- Flow Capacity: Cv 8.2
- Control Signal: 2…10 V (Modulating)
- Operating Voltage: AC/DC 24 V
- Fail-Safe Position: Open (Normally Open)
- Actuator Type: Electronic Fail-Safe
Applications
- Modulating zone control requiring fail-open emergency state
- VAV reheat coils, fan coil units, and perimeter convectors


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