Peristaltic Ink Pumps

Peristaltic Ink Pumps

Unlike conventional peristaltic pumps adapted from other industries, Graymills peristaltic or “tube” pumps are engineered specifically for flexo and Gravure printing applications and have received U.S. Patent number 5,630,711. Graymills peristaltic pumps easily accommodate a wide variety of fluids form inks and coatings to adhesives – water, solvent, and UV/EB. Thee innovative design features are especially valuable in the pressroom when short runs require frequent changeover and quick turnaround. Built in the U.S. for reliability, low maintenance, and long life.


Peristaltic Ink PumpsAll Graymills peristaltic pumps feature a high output gear motor which combines variable speed and reversibility with essential torque. The steel pump housing, which protects the pump against splashing and damage, has a baked on hybrid powder coating for a long lasting durable finish. Three swivel lock fasteners quickly release the pump head cover, without tools or loose parts, facilitating a quick tube change. The Graymills head design allows the tube to run “straight-thru” from the bucket to the print deck, eliminating “pinch points” where kinks form that slow the flow and weaken the tube. Dual roller technology combines just two rollers with a longer compression cycle to provide greater flow with fewer rotations. This results in lower friction, reduced tube fatigue and less flow pulsation.

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