Progressive Cavity Pumps - Industrial Pumps Manufacturers & Suppliers

Progressive Cavity Pumps Manufacturers

One of the most dynamic designs for driving the flow of variety of liquids, Progressive Cavity Pumps can be customized to efficiently handle liquids with different viscosity levels and chemical properties. The Progressive Cavity Pumps comprise of a precision mechanized single external helix metallic rotor and double internal helix elastomer stator. As the rotor turns within stators, the cavity progresses from suction to discharge along with fluid.

These pumps are used for situations where there is a higher requirement of handling pressure and surpass other pumps by their capacity to handle pressure upto 80 bar. Driving in higher and better performance with the suction these PC pumps are the popular category available in the market. These PC pumps are also the ideal source for the viscous and abrasive category of fluids.

Pumping Principle

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.

Features & Benefits

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.

Non-Clogging
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.

Reversible
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.

Xtra Value

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Optimized Rotor Stator Geometry

Improved Rotor- Stator geometry minimizes wear due to lower rubbing velocities as compared to conventional geometry, particularly useful in abrasive applications.
Lower starting torque and effective sealing line (Zero Leakage ) improves volumetric efficiency
Resulting in reduces power consumption and extended services life.

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Tapered Entry Stator

Facilitates easier entry for fluids.
Improves suction capability.

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Improved Pump Housig

A sloped housing design reduces entry losses.
Facilitates easy drainage
Its flexible housing orientation allows the suction port to be rotated in steps of 90 to suit any installation.

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Cardan Universal Joint

The Cardan type universal joint used in this pump is acknowledged to be far superior to the conventional gear joint, or single pin & bush joint which is subjected to extreme concentrated loads, resukting in high wear rates.
The Cardan type of UJ joint employs two sets of perpendicular pins, each providing freedom of angular movement , which facilitates smoother transmission of angular loads.
The Cardan type UJ joint is also designed to withstand high axial forces which are dominant in Progressive Cavity Pimps.

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Smarter Shaft Sealing

The externally mounted stuffing box enables easier maintenance of Gland Packing or Mechanical seals, without the need to dismantle

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