Model 455 dispensing valve is a pneumatically operated, two-way pinch valve. Features micrometer control over flow rate. Has an over-stroke adjustment, positive shutoff and disposable inert wetted parts. Can be used as a dispense valve or as an inline valve with adjustable flow. Teflon tubing is recommended, but can use materials such as silicone, urethane, polyethylene, or vinyl tubing. Easily integrates into automated assembly lines and can be fitted with a number of different style dispense tips and spray nozzles. Dispenses low-to-medium viscosity materials, including adhesives, UV resins, flux, gels, solvents and more.  
 
Tridak LLC, www.tridak.com