Any industry that handles abrasive and corrosive slurries, dry solids that clog, viscous materials or any medium that must be reliably controlled has a need for pinch valves. Typical industries include water treatment / sewage treatment, pulp and paper, mining, building, food and chemical industries.
Applying pressure between the valve body and internal sleeve closes the valve. Usually pressure is applied by air but water could also be used.
Pinch valve advantages: