Transport, Storage, Packaging; Technical Data; Construction And Function - oventrop Cocon QTR Instrucciones De Instalación Y Operación Para El Instalador Especializado

3 Transport, storage, packaging

3.1 Transport inspection
Upon receipt check delivery for any damages caused during
transit.
Any damage must be reported immediately upon receipt.
3.2 Storage
The combined control and regulating valve "Cocon QTR"
must only be stored under the following conditions:
• Do not store in open air, but dry and free from dust.
• Do not expose to aggressive fluids or heat sources.
• Protect the valve from direct sunlight and mechanical agi-
tation.
• Storage temperature: -4 up to 131°F (-20 up to +55°C),
max. relative humidity of air: 95 %
CAUTION
• Be cautious of external forces (e.g. impacts, vibrati-
ons etc.).
• Do not use external components (e.g. handwheels,
pressure test points, flanges) for other than their in-
tended purpose.
• Use appropriate equipment when handling valve

4 Technical data

4.1 Performance data
Max. working temperature: 248 °F (120 °C)
Min. working temperature: 14 °F (-10 °C)
Max. working pressure: 232 psi (1600 kPa)
Max. differential pressure: 58 psi (400 kPa)
Fluid: Water or mixtures of water and
ethylene/propylene-glycol
(max. 50%), ph-value 6.5-10
Control range
Weight
Item no. DN [GPM]
[kg]
min.*-max.)
1666112 40 5.5 6.6 - 33
1666172 40 5.5 6.6 - 33
1666116 50 7 11 - 44
1666174 50 6.5 11 - 44
1663116 50 7 15.4 - 61.5
* Recommended lowest setting; starting from the set value,
the flow rate can be reduced up to complete isolation.
Data for actuator connection:
Piston stroke: 0.39" (10 mm)
Closing pressure: 112.4 lbf (500 N)
DANGER
4.2 Materials
Bronze body, seals made of EPDM or PTFE, inner parts
made of brass resistant to dezincification, maintenance-free
stem seal due to double O-ring, plastic parts made of PA6.
2
4.3 Dimensions / connection dimensions

5 Construction and function

5.1 Survey and functional description
The combined control and regulating valve "Cocon QTR" is
Differential pressure
k
vs
p1-p3
a valve combination consisting of an automatic, differential
value
min.-max.)
pressure independent flow regulator (with manual nominal
50.6
value setting) and a regulating valve. The regulating valve
50.6
can be equipped with an actuator.
2.9 psi - 58 psi
66
20 kPa - 400 kPa)
66
81.4
Illus. 2 Setting sleeve (must be unscrewed before modifica-
The setting sleeve must be unscrewed before modification of
the flow value.
Presetting is limited to the maximum possible flow volume.
The presetting and the maximum flow volume are determined
by turning the handwheel.
The presetting can be secured and lead locked with a locking
clip.
If the valve is operated without actuator, the required preset-
ting can be fixed with the setting sleeve. The combined con-
trol and regulating valve "Cocon QTR" now operates as flow
regulator. The setting sleeve has to be hand tightened until
stop for this purpose.
DN D D1
1
NPT 1 ⁄
2
40
NPT 1 1 ⁄
2
NPT 2
50
NPT 2
tion of the presetting)
L L1 H
4.7 9.7
4.7 9.7
5.9 10
5.9 10
Setting sleeve
Presetting