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picv - cocon qtr pn25

Cocon QTR PN25.jpg

The pressure independent control valve “Cocon QTR” is designed
to be installed in central heating and cooling systems with closed
water circuits (like fan convectors (fan coil units), chilled ceiling
modules, induction air systems, cooling and heating zones) for an
automatic flow control (hydronic balancing) and the control of
another variable (e.g. room temperature) by modifying the flow rate
with the help of actuators (see next page). When used in
combination with actuators, the setting sleeve (spanner size 17)
has to be unscrewed.
The installation advice for the actuators are detailed in the
respective installation and operating instructions.

Technical data:
Max. operating temperature: +120 °C
Min. operating temperature: -10 °C
Max. operating pressure: 16 bar (1600 kPa) 25 bar (2500 kPa) 
Max. differential pressure: 4 bar (400 kPa) 6 bar (600 kPa) 
Fluid: Water or mixtures of water and ethylene/propylene glycol (max. 50 %),  
ph value 6.5-10
Max. closing pressure
in flow direction: 16 bar (1600 kPa) 25 bar (2500 kPa) 

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