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Pinch Valves

All purpose, pliable valves for specialized applications

Pinch valves by Schubert & Salzer

Many fluids cannot be controlled throught conventional valves due to high solid content, heavy viscosites or contaminants. In some cases the media is too agressive fro conventional alloys. Long service life and reliability combined with the excellent control quality of an integrated positioner, lead to an ideal control valve with minimal maintenance and low operating costs.

The Schubert & Salzer pinch valves, pneumatic or motor acuated are true alternatives for applications in many industries whether for general or sanitary functions.

The pinch valve for endless tubes offers a modern alternative to conventional pinch. The pinch valve can be used at any position on an endless tube for on/off and control operations. With no dead space, the highest sanitary demands can be met. No need for CIP/SIP concerns as the tubing can simply be exchanged after each batching operation.

Pinch valves Schubert & Salzer

Design principle of pinch valves

Schubert & Salzer pinch valves use the elasticity of high-performance polymers as a throttle. Pneumatic actuators compress the tubes fixed in the valve body or inserted endless tubes through specially designed pressure pieces. Due to the spring reset in the actuator and the operating fluids itself, the pinch valves move to the respective safety position or desired valve position.

Advantages of pinch valves

Robust and simple design

Minimal wear even with contaminated, abrasive and pasty media

Precise control

Reliable shut-off function

High tightness, low leakage

High flow coefficient (KV) values

Simple maintenance and repair

No flow deflection

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