Distortion Assessment

The magnitude of losses associated with worn packing rings of any design can become large and the costs related to a reduction in performance are large enough to warrant having complete distortion awareness measurements taken to maintain control of the final seal clearances, which in turn, help in minimizing the associated losses.

 A Distortion Assessment includes:  

Diaphragm & Packing Measurements

  • Spill strips applicable
  • Hook fit diameters
    •  Admission &  discharge side
    • Upper & lower halves
  • Vertical diameter
    • Upper & lower halves
  • Bore diameters
    • Bolted together if needed
  • Diaphragm drop check to determine if dished

Rotor Measurements measurements

  • Diameters at all packing locations
    • A minimum of three readings per location
  • Total number of rotor lands
  • Depth of rotor lands

Packing Ring and Spill Strip Information

  • Verify and record 'As Found' OEM part numbers on packing rings and spill strips
  • Visually inspect parts and record observations
  • Verify proper materials for manufacture
  • Reverse engineer parts which were not identified or previously modified

 

 

 

 

 

 

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