DESMI ROTAN internal gear pumps are world leaders manufacturing pumps since 1921, the ROTAN modular concept is the most advanced on the market, they are designed to work continuously with clean and non-abrasive fluids.
Rotan HD positive displacement pumps are designed for heavy work, where a reliable and high resistance pump is required, thousands of units installed worldwide guarantee the quality of our pumps
Rotan HD pumps are manufactured in cast iron, the seal will be selected depending on the application, using packings, single or double mechanical seals. The arrangement of these pumps is with a free shaft on a bench and driven by a gearmotor or directly by the electric motor. The arrangement of the flanges can be in line or at 90º, in both cases having the possibility of reversing the direction of flow without the need for bypass lines or changes in the pipes.
The pumps can be supplied with single or double acting internal recirculation bypass valves to protect the equipment from overpressures.
The Rotan HD family of pumps has specific versions for pumping chocolate, bituminous products or resins, these are, among others, applications developed by DESMI ROTAN’s engineering department.