Manufacturer
AirCom Pneumatic
Part number
QS65-20NR
Country
Germany
Weight (g)
2500
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The flow control valve functions as a pinch valve in a new
design of housing with full flow cross-section. Since the
straight valve passage has neither constrictions nor back-points,
there is no danger of clogging or blockage. Frictional loss is
at a minimum.
Media:
Compressed air, non-corrosive gases, liquids or other paste-like
or powdery media. Solids are enclosed by the flexible sleeve at
shut-off.
Sleeve:
Highly flexible with double-woven reinforcement in eight different
grades. Sleeve simple to change.
Pressures:
- Operating pressure = max. 4.0 bar
- Pilot pressure = max. 6.5 bar
- Differential pressure = max. 2.5 bar
- Closing pressure = P1 + 2.5 bar to DN32, P1 + 2 bar from DN40 on
Vacuum:
If vacuum is greater than -100 mbar, vacuum compensation should be
provided on the control side.
Accuracy:
In the flow range of 0 to 70% the accuracy of the linearity of pilot
pressure to flow is approx. 10%.
Mounting_position: any
Temperature_range: 0 °C to max. 100 °C / 32 °F to max. 212 °F,
subject to sleeve material
Body: POM at QP or aluminium die-cast at QS
Sleeve: depending on selected version
design of housing with full flow cross-section. Since the
straight valve passage has neither constrictions nor back-points,
there is no danger of clogging or blockage. Frictional loss is
at a minimum.
Media:
Compressed air, non-corrosive gases, liquids or other paste-like
or powdery media. Solids are enclosed by the flexible sleeve at
shut-off.
Sleeve:
Highly flexible with double-woven reinforcement in eight different
grades. Sleeve simple to change.
Pressures:
- Operating pressure = max. 4.0 bar
- Pilot pressure = max. 6.5 bar
- Differential pressure = max. 2.5 bar
- Closing pressure = P1 + 2.5 bar to DN32, P1 + 2 bar from DN40 on
Vacuum:
If vacuum is greater than -100 mbar, vacuum compensation should be
provided on the control side.
Accuracy:
In the flow range of 0 to 70% the accuracy of the linearity of pilot
pressure to flow is approx. 10%.
Mounting_position: any
Temperature_range: 0 °C to max. 100 °C / 32 °F to max. 212 °F,
subject to sleeve material
Body: POM at QP or aluminium die-cast at QS
Sleeve: depending on selected version
