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Pump Repairs

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Postma & Postma do electrical & mechanical repairs to Submersible, immersible, centrifugal, process and close coupled pumps.  

 

Pumps are dismantled and all parts are checked for wear, e.g. impellers, wear plates mechanical seals, seal areas on rotors, bearing areas on rotor and housings.  The bearing and seal areas are compared to standards and repaired if necessary.  Mechanical seals are refurbished or replaced. - See Motor & Armature Winding 

 

Rotors and shafts are dynamically balanced and impellers are statically balanced. – See Dynamic Balancing

 

Pumps up to 90kW are pressure tested on or in our tank.  After testing, the oil in submersible pumps is checked for any signs of water infiltration.  Postma & Postma do laser shaft alignment on site to do the alignment of the motor and pump to ensure vibration free operation.    

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POSTMA & POSTMA

(PTY) LTD.