Belimo ZoneTight Z2050Q-F Інструкція з монтажу
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Z2050Q-F, 1/2", ZoneTight Valve
Technical Data
Service
Flow Characteristic
Controllable Flow Range
Size [mm]
End Fitting
Body
Ball
Stem
Seat
Seat O-ring
Diaphragm
Body Pressure Rating [psi]
Media Temperature Range
(Water)
Maximum Allowable Operating
Temperature
Media Temperature Limit
Max Differential Pressure (Water) 40 psi
Close-Off Pressure
Cv
Weight
Leakage
Servicing
* If temperature exceeds 212°F operating range due to a boiler control failure the valve will safely contain
the hot water but manufacturers product warranty becomes invalid. Valve and actuator replacement is at
the expense of others.
800-543-9038 USA
307645
chilled, hot water, up to 60% glycol
equal percentage
75°
0.5" [15]
NPT female ends
forged brass
chrome plated brass
brass
Teflon® PTFE
EPDM (lubricated)
EPDM
360
36°F to 212°F [2°C to 100°C]
212°F [100°C] *
250°F [121°C] *
75 psi
1.4
0.2 lb [0.1 kg]
0%
maintenance free
Application
The QCV zone valves are suited for large commercial buildings where higher
close-off and the ability to change flow is desired. Common applications include
unit ventilators, fan coil units, VAV reheat coils, fin tube casing, radiant panels
and duct coils. The valve fits in space restricted areas and can be assembled
without the use of tools.
Z2050Q-F
Dimensions (Inches [mm])
E
F
A
B
4.5" [114]
2.05" [52]
866-805-7089 CANADA
Suitable Actuators
Non-Spring
Electronic Fail-Safe
CQ
D
B
A
C
D
3.27" [83]
2.71" [69]
0.94"
[23.88]
203-791-8396 LATIN AMERICA / CARIBBEAN
CQK
C
E
F
0.94" [24]