Roto Pumps Ltd. is an India-based company engaged in the manufacture and sale of industrial pumps and spares. It offers a range of cavity (single screw and multiple screws) pumps for various applications. The Company�s products include progressive cavity pumps, twin screw pumps, dry running protection device, pressure switch, gauges, relief valves and strainers. The pumping element in the progressive cavity pumps consist of a precision machined single external helix metallic rotor and a double internal helix elastomer stator. Its applications include sugar industry, paper, agriculture, oil and gas, man made fiber, chemicals, food, mining, cosmetics, dye stuff, marine and water waste management. The working principle of Roto Twin Screw Pumps is dependent on the rotation of two screw spindles in closed compartment. Its accessories include dry running protective device, pressure switch, gauges, relief valves and strainers