Acro Associate's Pneumatic Pinch Valves offer maintenance-free operation with their multi-million cycle life. These robustly designed, dual acting pinch valves are suitable for vacuum and pressure services; and accommodate tubing sizes from 1/8" (3.2mm) to 3/4" (19mm). N/O and N/C configurations are available. "Snap-in" Tube Loading models permit installation of tubing without the need for a free end. Panel mounting designs utilize a "Splash Seal", allowing the units to be cleaned in place without disassembly. Position Sensing option can facilitate tube detection as well as valve position. Valves are tested and calibrated specifically for your application. 20+ years of design experience allows us to customize valve to meet your exact needs.