The great advantage of pinch valves is that they don’t contact the fluid they are controlling. They push a bar across the tube thereby pinching off the fluid flow. When an procedure completes, the tubes are discarded. In this video, Founding Editor Paul Dvorak discusses the designs from Bimba’s Acro Associates.
andrea says
Hey, Guys, I would also recommend Galassi & Ortolani here, they have been making special valves since years. The have a wide range of products, comprising: diaphragm valves, pinch valves, butterfly valves, ball valves, gate valves, check valves & pneumatic actuators. Here is their website: http://www.galassiortolani.com/category/pinch-valves/