Helical Rotor Pumps

Helical Rotor Pumps are a sturdy and robust category of Positive Displacement Pumps. These pumps comprise of a helix rubber stator and a helical rotor. The rotor is fitted inside the stator which is lined with rubber. The rotor rotating inside the stator forms cavities via which media is pumped from suction to the discharge end of the pump. The rate of flow of the liquid is usually inversely proportionate to the pressure. These pumps can operate at lower speeds as well and are produce negligible noise. These pumps have high suction lift capability and can be reversely operated.

The non-shearing property of Helical Rotor Pumps make them an ideal choice for a number of applications, including transfer of food items such as butter and yeast without affecting their quality and hygiene. A number of other industries also use these kinds of pumps, like wastewater, paper, ceramic, mining, explosives, paint etc.

Progressive Cavity Pumping Principle

Roto Pumps is a noted Progressive Cavity Pumps manufacturer. High Pressure Progressive Cavity Pumps are also known as Single Screw Pumps, these pumps have been built and designed to transfer liquids with different chemical properties and variable viscosities. These pumps can be customized as per the application requirement. These pumps function with the help of precision mechanized single external helix metallic rotor and double internal helix elastomer stator. The fluid gets transferred through the cavities formed by the turning of the rotor within the stator.

The working principle of these pumps involves the rotation of the single helix-shaped rotor within the stator. A sealing line is developed along the axis of the rotor owing to the positioning of the rotor and the stator, which upholds in both static and compelling conditions. Several cavities are formed along the suction and the discharge end of the pump by the rotation of the rotor. These cavities transfer the fluid within the pumps.

Positive Displacement
Because of single rotating element, progressive cavities are generated which deliver a uniform, metered and non-pulsating flow. The developed head is independent of the rotational speed, where as the capacity is proportionate to the speed.

Self priming
Inherently self-priming, the pumps can work on snore and do not require a foot valve.

Can handle solid in suspension or media containing a high percentage of solids.

Low NPSH Requirement
Suction lift capabilities of up to 9.5mWc and effective in high vacuum conditions.

Low Internal Velocity
Minimum degradation of shear-sensitive media, and can also handle highly viscous materials having pseudo-plastic characteristics.

Due to the reversible rotation capabilities, Progressive Cavity Pumps can perform with equal efficiency in either direction.

Silent Running
Rotors turn inside a resilient stator and thus generate little noise.

Separate Bearing Housing
Fluids can be pumped without no contamination.

Paper Industry

Sugar Industry

Agriculture Industry

Oil & Gas Industry

Paint, Varnish & Ink Industry

Mining Industry

Chemical Industry

Food Industry

Explosives Industry

Man Made Fibers Industry

Ceramic Industry

Edible Oil Industry

Cosmetics & Herbal Industry

Toiletries Industry

Dye Stuff Industry

Marine Industry

Waste Water Treatment Industry

Pharma Industry

Steel Industry

Textile Industry

Power Plant Industry

Bio Gas Industry

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