Internal gear pumps will handle high viscosity, hot or abrasive fluids, or a combination of all these. Built to extend seal life, improve reliability and prevent leaks by utilizing an internal seal chamber vent and oversized shaft diameters that minimize shaft detection. Back pull-out design provides ease of maintenance. Viscosities to 1,000,000 ssu (220,000 cst). When order please specify the required seal type selecting from the following applications, in addition to suitable pump capacity.