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The Model 2200-033-011 automatic Snuf-Bak dispense valve is ideal for high volume fluid control and fast shut-off of viscous materials such as polyurethanes, epoxies, silicones, greases, and various cohesive (stringy) and thixotropic adhesives and sealants. The pneumatically actuated valve opens and closes its material passage in the base of the nozzle adapter to precisely start and stop material flow. The needle pulls backward during shut-off which quickly breaks the flow of material to prevent stringing.
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