Belimo Z2100Q-K+CQKB24-SR-RR : 2-Way 1" ZoneTight (QCv), Cv Rating 8.2 (16.4 GPM @ Δ4 psi), Electronic Fail-Safe Actuator, 24VAC/DC, Modulating 2-10VDC Control Signal, Normally Closed
Valve Specifications
| Pattern | 2-way |
| Cv | 8.2 |
| Fluid | Chilled or hot water, up to 60% glycol |
| Body Pressure Rating | 360 psi |
| Differential pressure Δpmax | 40 kPa |
| Flow characteristic {Tools} | Equal percentage |
| End Fitting | Internal Thread |
| Trim | Chrome plated brass |
| Valve Size | 1" [25] |
Actuator Characteristics
| Voltage AC/DC | AC/DC 24 V |
| Power Consumption (Running) | 2.5 W |
| Power Consumption (Holding) | 0.5 W |
| Power Consumption For Wire Sizing | 5 VA |
| Control Type | 2-10VDC |
| Protection category | IP40 |
| Degree Of Protection NEMA | NEMA 2 |
| Enclosure Type | UL Enclosure Type 2 |
Data Sheets
 | Technical data sheet – Belimo Z2100Q-K+CQKB24-SR-RR |
| Installation instructions - CQK ZoneTight |
| Consultant Specifications |
| ZoneTight Technical Documentation |
- Valve Pattern:
- 2-Way
- Valve Size:
- 1 Inch
- Connection Type:
- NPT
- CV Rating:
- 8.2
- GPM:
- 16.4 @ 4 psi
- Actuator Type:
- Fail-Safe
- Voltage:
- 24VAC/DC
- Control Signal:
- 2-10VDC
- Auxillary Switch:
- None
