 Valves
 PREMAFLEX
Pinch Valves of plastic PP
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Advantages
Light, High stability, Chemically - resistant, Fully open.
Ideal suited for almost all operating conditions
Premaflex – Pinch Valves are suitable for dust, granular or pulpy medium as well as for liquid or gaseous media.
The special construction of the sleeve effects the closing in a level to the middle (centre) axis.
Advantages for installation
The robust and compact design allows installation under the most difficult conditions and very tight space.
The sleeve of high elasticity
also closes absolutely tight with solid matter inclusion even at highest number of switching actuations.
Depending on type of operation, the sleeve is available in different qualities.
Technical Specifications
| Size: |
DN 15 - 50 |
| max. allowable operating pressure: |
6 bar |
| max. allowable control air pressure: |
2 - 2,5 bar higher than the respective operating pressure. |
| Valve body allowable test pressure: |
10 bar |
| Valve body: |
PP (DIN 7728):
Polypropylene has a excellend resistance against organic solutions, greasen and alcoholics.
PP has an extremely hardness and stiffness.
Food quality material, according to german BfR – recommendation (Formerly BgVV). |
| Sleeve: |
Dependent on the medium |
| Connections: |
Inner thread |
Standard-Sleeve
| Natural rubber* |
< 80°C |
| Neoprene*, NBR*, Buna S, Viton |
< 100°C |
| EPDM* |
< 120°C |
| Buna - S |
< 100°C |
| Viton |
< 100°C |
* the sleeve is also available in food quality.
Sectional Pinch Valve
Sizes and Mounting Measurements
* Thread as per DIN 2999
We would be pleased to send you measurements for other valve types upon request.
Special designs and accessories are available upon request.
Please do not hesitate to contact us should you require additional information.
Your contact: Mr. Wolfgang Körber, Phone: +49 6172 67 78-53, E-mail: wolfgang.koerber@prema-service.de
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