01Working Principle
- The pumping elements are stator and rotor.
- The stator is made of resilient elastomeric materials and bonded to stator tubes.
- A single helical rotor rolls eccentrically in double threaded helix stator of twice the pitch length
- The opposing cavities fill and empty simultaneously resulting in a pulsation less flow
- The liquid travels axially with relatively low velocity and minimum agitation.
03Features
- Positive Displacement- As having a single rotating element, progressive cavities are generated and it gives a uniform and metered flow required.
- Non- Clogging- It can handle solid in suspension or media having a high percentage of solids
- Self Priming- can work in negative suction, so do not require a foot valve.
- Silent Running- As the rotor runs inside the steady stator, so it makes a little noise. Gentle pumping action minimizes shear and crushes damage.
- Reversible- As it has a reversible rotation capability; a progressive cavity pump can perform with the same efficiency in the clockwise or anti-clockwise direction.
- Low NPSH Requirement- As having a suction lift capability it can perform in vacuum condition.
- Separate Bearing Housing- Fluid cannot enter in the bearing housing which gives the life to bearings and easy for maintenance
- Low running speeds- ideal for abrasive applications.
- Stators are available in a wide range of elastomeric as per application.
- Easy to dismantle and assemble without special tools.
05Material
- BEARING HOUSING- GREY CAST IRON, SS 304, SS316, SS 316L, HASTELLOY & SPECIAL ALLOYS
- STATOR- NATURAL, NITRILE, EPDM, VITON, SILICON, FOOD GRADE RUBBER ETC
- ROTOR- HEAT TREATED EN STEEL, SS 304, SS317, SS316L, AND SPECIAL ALLOYS
- OTHER ROTATING PARTS- Cr STEEL, SS 304, SS 316, SS316L, AND SPECIAL ALLOYS
05Typical Parameters
The impeller of the Aircooled thermal oil pumps are single entry, closed type and dynamically balanced. The impeller has back Ring & Holes between each fin for the axial balancing of pressures.
| Capacity | Up to 60m3/hr |
| Pressure | Up to 24 kg/cm2 |
| Temperature | Up to 150 degrees C |
| Viscosity | Up to 120000 CST |
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