Beswick miniature pinch valves are now available for 1/8-in. OD and 1/4-in. OD tubing. The PV series miniature pinch valve is designed to control fluid when it is advantageous to avoid fluid contact with mechanical components and elastomeric seals.
Pinch valves achieve fluid control by clamping down on the outside diameter of the tubing in order to limit or stop flow. The PV has a port for pneumatic actuation as well as a manual knurled knob for extra flexibility.
View the pinch valve video to learn more about the benefits of using these valves: https://www.beswick.com/resources/pinch-valve-overview/