The reliable Shut-OFF Valve directly operated either pneumatic or hydraulic for viscous, granulated, contaminated and aggressive media.
proven / robust / reliable / economic
High operating dependability-long term durability
Shut-off is effected through pressure on the outside of the cylindrical sleeve. Either air pressure or
water is used as control media.
The simple design guarantees a perfect OPENING and CLOSING cycle-also with media of high solids content
and contaminated media.
Even at high number of switching operations the valve will continue to work without problems.
Ideally suited for almost all operating conditions
PREMAFLEX Pinch Valves are suitable for any pourable, granular or pulpy media as well as for liquid or gaseous
The special construction of the sleeve effects the closing in a level to the middle (centre) axis.
The absolutely tight Seal is guaranteed-even at high number operations.
Temperature ressistant, depending on sleeve quality, from -20˚-+120℃.
Chemically-resistant (waste water, acids and caustic solutions).
Sleeve of high elasticity
closes also with trapped solid matter tight-even at high number actuation′s.
Available in different qualities depending on operating conditions/requirements.
Suitable material selection
The individual operating conditions require specific material qualities.
All Valve components are available in different materials and maybe combined for all sizes.
Flange connection DN 40-150
Acc. To DIN 2633-PN 10/16 Form C
DN 80 = 4 Hole drill (standard design)
Flange connection DN 200
Acc. To DIN 2632-PN 10/form C
Connection for control air : 3/8″ female thread
max. allowable operating pressure : 4-6 bar
max: allowable control air pressure :
1,8-2,0 bar higher than the respective operating pressure
allowable test pressure : 10bar
Valve body : cast iron or aluminium
Special design in GGG 40 - test certificate
DIN 3. 1 B available
Flange : Cast iron (Standard)
Aluminium, steel, stanless steel,
Also rubber coated
S.G. iron as special design available
|*Pure gum rubber :
|*Buna S, NBR
* above sleeve types are also available in food quality.