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QV MOLLET-sinus pinch valve
QV... - for the shutting off, distributing, dosing of powdery and grained bulk goods,
for viscous, soiled and aggressive liquids, gases and mixtures.
Use
- pneumatic conveyors
- food industry
- chemical industry
- environment technology
- construction industry
- silos
Mode of operation - the cylindrical, elastic hose will be squeezed by compressed air or by water pressure
- solids will be enclosed
- after release of the control pressure, the hose opens and returns in its original and circular shape
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Advantages
- straight, not redused passage
- no jam
- opens always in a circular shape
- no pressure drop
- long service life of hoses
- simple change of hoses
| Process connections - flange according to DIN
- internal thread according to
DIN ISO 228 - tube connection in any dimensions
- screw connection,
Clamp etc.
| Working data - Process pressure
up to 4 bar - Control pressure
2,5 bar over the
process pressure - Difference in pressure
max. 2,5 bar - Mounting position
any
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| Quality of hoses with | Temperature range | | NR Caoutchouc, abrasion resistant | 80 °C wet | | NW Caoutchouc, food | 70 °C wet | | CR Neopren | 100 °C wet | | EP EPDM | 120 °C wet | | VI Viton | 100 °C wet |
More technical details
Download >> Appliance informations >> QV-GI-01
EC-Declaration of conformity according to Directive 97/23/EC for pressure equipment >>
Download >> KE-DG-001
Manufacturer's declaration NR and EC-Decl. of conformity EMVR for the supplies >>
Download >> HE-KE-003
B6 = Ex type of protection for the pinch valve  II 2GD c T X
EC-Declaration of conformity II 2GD >> Download >> KE-905X
for the mounted electrical devices
B0 = Ex type of protection for the solenoid valve II 3D T 100 °C IP65
EC-Declaration of conformity II 3D >> Download >> KE-901X
B0 = Ex type of protection for the pressure switch II 3D T 80 °C IP65
EC-Declaration of conformity II 3D >> Download >> KE-921X
Further types of protection for the accessories on request
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