Z2050QPT-B+CQKBUP-RR
Details
Details
Z2050QPT-B+CQKBUP-RR 1/2 in. 2-Way Zone Valve with Electronic Fail-Safe Actuator, NC/FC, 100-240 VAC, On/Off
Controls chilled or hot water, up to 60% glycol, and holds the set flow at differential pressures from 5 to 50 psi.
Ships set to normally closed and fail closed (NC/FC).
Order Z2050QPT-B+CQKBUP-LL for the normally open, fail open version.
Key Features
- Max flow, no end stop (V'nom): 0.9 GPM
- Close-off pressure: 200 psi
- Running time (motor): 75 s
Product Specifications
| Manufacturer | Belimo |
|---|---|
| Model | Z2050QPTBCQKBUPRR (Z2050QPT-B+CQKBUP-RR) |
| Valve | Z2050QPT-B |
| Valve type | ZoneTight, 2-way, Internal thread NPT (female) |
| Valve size | 0.5 in. (DN 15) |
| Fluid | chilled or hot water, up to 60% glycol |
| Fluid Temp Range (water) | 36 to 212 deg F (2 to 100 deg C) |
| Differential pressure | 5 to 50 psi |
| Body Pressure Rating | 360 psi |
| Close-off pressure | 200 psi |
| Flow characteristic | equal percentage |
| Flow accuracy | +/-5% |
| Leakage rate | 0% |
| Valve operating range | 15 to 90 deg |
| Pipe connection | Internal thread NPT (female) |
| Installation orientation | upright to horizontal (in relation to the spindle) |
| Servicing | maintenance-free |
| Flow Pattern | 2-way |
| Controllable flow range | 75 deg |
| Valve body | forged brass |
| Stem | stainless steel |
| Stem seal | EPDM O-ring |
| Seat | PTFE, O-Ring EPDM |
| Characterized disc | incorporated into the ball |
| O-ring | EPDM |
| Ball | stainless steel |
| Diaphragm | EPDM |
| Suitable actuators, non fail-safe | CQB(X) |
| Suitable actuators, electronic fail-safe | CQKB(X) |
| Max flow, no end stop (V'nom) | 0.9 GPM |
| Flow setting (end stop clip) | 0.1 to 0.9 GPM |
| Flow direction | as marked by the arrow on the housing |
| Dimensions with CQK actuator | A 4.9 in. (125 mm), B 3.8 in. (97 mm), C 4.8 in. (122 mm), D 3.5 in. (89 mm), E 2.4 in. (62 mm), F 1.3 in. (33 mm) |
| Valve weight | 0.54 lb (0.25 kg) |
| Actuator | CQKBUP-RR |
| Actuator type | On/Off, Electronic fail-safe, 100 to 240 V |
| Normal position | Normally closed (NC) |
| Fail position | Fail closed |
| Nominal voltage | AC 100 to 240 V |
| Nominal voltage frequency | 50/60 Hz |
| Nominal voltage range | AC 85 to 265 V |
| Power consumption in operation | 2.5 W |
| Power consumption in rest position | 0.5 W |
| Transformer sizing | 7 VA |
| Overload Protection | electronic throughout 0 to 90 deg rotation |
| Electrical Protection | actuators are double insulated |
| Bridging time (PF) | 2 s |
| Pre-charging time | 5 to 20 s |
| Angle of rotation | 90 deg |
| Actuator angle of rotation note | adjustable with mechanical stop |
| Running time (motor) | 75 s / 90 deg |
| Running time fail-safe | <60 s |
| Sound power level motor | 35 dB(A) |
| Sound power level, fail-safe | 35 dB(A) |
| Position indication | pointer |
| Power source UL | Class 2 Supply |
| Degree of protection IEC/EN | IP40 |
| Degree of protection NEMA/UL | NEMA 2 |
| Housing | UL Enclosure Type 2 |
| Agency Listing | cULus acc. to UL60730-1A/-2-14, CAN/CSA E60730-1:02 CE acc. to 2014/30/EU and 2014/35/EU |
| Quality Standard | ISO 9001 |
| UL 2043 Compliant | Suitable for use in air plenums per Section 300.22(C) of the NEC and Section 602 of the IMC |
| Ambient humidity | Max. 95% RH, non-condensing |
| Ambient temperature | 35 to 104 deg F (2 to 40 deg C) |
| Storage temperature | -40 to 176 deg F (-40 to 80 deg C) |
| Actuator weight | 0.66 lb (0.30 kg) |
| Housing material | UL94-5VA |
| Wire colors | 1 = blue, 2 = brown |