When used pinch valve, there are some mistakes are common that resulted in pinch valve failure. Generally pinch valve failure is occurred due to improper installing and maintaining. Main issue that formed failure is pinch sleeve damage in form of torn, split, crack, blistered and deformed. Sleeve can be torn and deformed by reason of fluid passes through it having high temperature, pressure and vacuum. Furthermore, sleeve can be split or cracked by sharp object passing through a pinch valve
Solutions of pinch valve failure:
- Read carefully all the manual before installing or maintaining pinch valve
- Change pinch valve sleeve before arises to the end of its service life
- Don’t used pinch valve for fluctuating flows
Pinch valves can be utilized for On/Off and also for flow control services. They are perfect for on/off services as their straightforward design that permitted controlling of the flow. It has almost no pressure lose between the inlet and outlet. It is not prescribed that media with sharp particles are throttled near shutoff.
Pinch valves having very simple design which meet the most exhaustive service environments. It has very flexible body which can be pinched to shut on/off the flow by using a mechanism of fluid pressure. Pinch valves are low maintenance, insubstantial and may be utilized in systems demanding explosion-proof line closure.
Pinch valve is use pinching effect to regulate the flow of fluid passing through it. In these types of valve pinching effect is conducting because of fluid pressure. It has flexible elastic sleeve that can be pinched to obstruct fluid flow. Pinch valve can operate by different types of actuators such manual, pneumatic and electric.