Belimo Z2100QS-K+CQKX24-S : 2-Way 1" Sweat ZoneTight (QCv), Cv Rating 8.2 (16.4 GPM @ Δ4 psi), Electronic Fail-Safe Actuator, 24VAC/DC, On/Off Control Signal, (1) SPST 3A @250V Aux Switch (Customizable Product)
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 | Sweat | 
| 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 | On/Off | 
| Auxiliary Switches |  1x SPST |  
| Protection category | IP40 | 
| Degree Of Protection NEMA | NEMA 2 | 
| Enclosure Type | UL Enclosure Type 2 | 
Data Sheets
| Technical data sheet – Belimo Z2100QS-K+CQKX24-S | |
| Installation instructions - CQK ZoneTight | |
| Consultant Specifications | |
| ZoneTight Technical Documentation | 
- Valve Pattern:
 - 2-Way
 - Valve Size:
 - 1 Inch
 - Connection Type:
 - Sweat
 - CV Rating:
 - 8.2
 - GPM:
 - 16.4 @ 4 psi
 - Actuator Type:
 - Fail-Safe
 - Voltage:
 - 24VAC/DC
 - Control Signal:
 - On/Off
 - Auxillary Switch:
 - (1) SPST 3A @250V