Graymills ink pumps and tank systems are designed for flexographic and gravure printing applications that require reliable ink & coating delivery, proper circulation, and a system matched to the press. With centrifugal, peristaltic, and double diaphragm pump options available, Graymills helps printers choose the right setup for their press type/make, ink type, viscosity, flow requirements, and container size.
Whether you run wide-web, mid-web, narrow web, envelope, or corrugated applications, Graymills offers pump and tank systems sized for containers from 1 to 55 gallons, including matching lids, along with metric options.
Centrifugal, peristaltic, and double diaphragm ink pumps are the most common in flexographic and gravure printing. The right choice depends on the press, ink viscosity, flow needs, container size, and how important fast changeovers or in-tank circulation are to the application.
A peristaltic pump uses a flexible tube and rollers to move ink to the print deck. It is a strong choice for fast color changes and for low- to high-viscosity, UV, and EB inks. Many can be reversed to speed changeover by returning ink to the tank.
A centrifugal pump uses a spinning impeller to deliver non-pulsating flow and provide in-tank circulation to help keep material blended. It is a low-maintenance option widely used in pressroom applications.
A double diaphragm pump uses two flexible diaphragms to move ink through alternating chambers. It is especially suited to applications requiring higher flow rates in a small space, including bottom-print corrugated lines
Engineered specifically for flexographic and gravure printing, Graymills peristaltic (tube) pumps are ideal for fast color changes and for handling low- to high-viscosity, UV, and EB inks.
Graymills centrifugal systems deliver non-pulsating flow, low-maintenance operation, and in-tank circulation to help keep ink blended during the run.
Designed for controlled flow applications, Graymills double diaphragm pumps are especially well suited for bottom-print corrugated lines where one pump supplies and returns ink.
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