Screw Pumps Manufacturer in India

All About Screw Pump Spare Parts

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product Description

• 1.THE ROTOR : The External Single Start Helical Line with Cross Section the Center of Which Is Shifted On the Size of Eccentricity from the Rotated Axis. The rotor is made of metallic alloys, coated or uncoated.
• 2. THE STATOR : inner double threaded helical line made of elastomer and fixed inside of the metal sleeve.
• 3. CONNECTING ROD : it transmits torque from the drive shaft to the rotor, has a high resistance to wear. The usage of transmission rod with a screw feeder is also possible.
• 4. THE JOINT : it compensates eccentricity of the rotor, filled with grease and has a sealed structure
• 5. INLET : depends on the desires of the customer and the model of the pump, the unit can be made in the form of the pipe with flange sleeve, the quick coupling connection, or in the form of a rectangular charging inlet.
• 6. OUTLET : Depends on the desires of the customer and the model of the pump, the unit can be made in the form of the pipe with the flange sleeve or the quick coupling connection.
• 7. THE PUMP CHAMBER : provides the delivering of pumping substance to the screw pair of pump unit.
• 8. THE SHAFT SEAL : provides the seal of the shaft .it is possible to use serviced stuffing box, single and double mechanical seal with flushing.
• 9. THE BEARING HOUSING : it is the connecting node between the drive and the pump chamber. The maintenance of seal of the drive shaft happens through the transitional rack.

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Spare Parts

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Description

The main part of the single screw eccentric progressing cavity pump is a screw consists of:

The stator: double threaded helical line made of elastomer inseparably connected with metallic casing;

The rotor: external single thread helix line made of steel coated or uncoated.

The principle of pumping lies in conveying (periodically replacement) the constant capacity of inside the hermetic chambers between rotating rotor and static stator. While the rotor rotates, cavity from suction side increase in volume and creates pressure. Under the pressure convertible fluid fills the for formative cavity. While circular helix rotates and moves, the cavity closes and the rotor conveys the pumping fluid along the stator axial to the pressure side. At the same time the number of such closes cavities to the unit of screw pair length defines the ultimate unit pressure the volume of each cavity determines its productivity capacity.

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Description

Single screw eccentric progressing cavity pumps allows the effective pumping of high viscous and multiphase with significant amount of mechanical inclusions. These pumps have a big number of advantages in comparison with other types of pumps such as centrifugal, guidedvane, gear, membrane and peristaltic that use other methods of power transmission of forward motion in the pumping fluid.

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