What is a pinch valve?
The pinch valves are the ideal shut-off valves for open-close and control applications for all liquid goods, in particular all highly viscous, solids containing, powdery, heavily contaminated as well as abrasive or aggressive materials in pipe and equipment construction, filter installations, tank wagon, silo installation and are also very suitable in areas with a potentially explosive atmosphere. The pinch valve is amazingly simple, safe, and durable. They close completely liquid-tight and gas-tight and in the open position a completely round, straight flow is achieved.
Pinch valves provide the following benefits:
- Easy maintenance
- No dead volume
- Round straight flow in open position
- No scaling
- Minimal turbulence and friction
- Fast opening & closing time
- Low energy consumption
- Low maintenance costs
The pinch valves use compressed air or fluid to open or close the valve. In the open position, the valve has no restrictions and allows a wide range of media to pass through the bore. The flexible internal rubber hose in the valve keeps the media isolated and prevents the risk of contamination. Compared to metallic valves, the characteristic properties of the rubber hose ensure that any accumulated material flows through again after opening the valve with as few parts as possible come into contact with the medium. The rubber hose absorbs the shock of abrasive material where metal valves are often damaged or jammed.
These valves are cost-effective, reliable and easy to use, making them desirable in a very wide range of industrial applications from A (such as acetate fiber production) to Z (such as in zinc oxide handling). Many applications within the food and pharmaceutical industry, bulk material and pneumatic transport, both wet and dry.