Btektech - Suck Back Dispensing Valve

The suck-back dispensing valve is a valve that is designed to pull back a small amount of liquid into the needle or dispensing tip after dispensing. This is done to prevent dripping or stringing of the liquid, as well as to ensure accurate dispensing volumes. The valve creates a vacuum in the dispensing tip, which sucks the liquid back into the tip, preventing any remaining liquid from dripping out. The Suck Back type dispensing valve has the characteristics of clean glue breaking, no wire drawing, no glue dropping, and corrosion resistance.