Centrifugal pumps

Pump volutes
  • Restore cutwater profiles
  • Rebuild erosion/corrosion damage
  • Repair holed and cracked casings
  • Repair flow straighteners
  • Reform end covers and protect wear plates
  • Reduce friction losses to increase efficiency
Impellers
  • Restore impeller wear ring clearances
  • Rebuild vane profiles
  • Protect against erosion and chemical attack
Bushes, glands, and wear rings
  • Realign bushes
  • Reform gland housings
  • Recast water lubricated bearings
Performance Improvement Program for Pumps
Diffusers
  • Rebuild vane profiles
  • Reform casing spigots
  • Repair casing wear ring locations
  • Protect from erosion and chemical attack
  • Repair cracked and holed casings
Liquid ring vacuum pumps
  • Rebuild and protect rotors
  • Restore pump cone clearances
  • Reform end covers
  • Repair and protect casings
  • Repair and protect valve plates
Shafts
  • Repair and protect pitted line shafts
  • Rebuild shaft sleeve/bearing locations

 

Positive displacement pumps

Performance Improvement Program for Pumps
Casing repairs
  • Rebuild scroll pump bores
  • Rebuild and protect end covers
  • Repair cracked and holed casings
  • Rebuild rotary pump casings
  • Repair scored cylinders in reciprocating pumps
Rotor repairs
  • Rebuild rotary vane pump guide slots
  • Cast lobes for rotary lobe pumps
  • Rebuild damaged rotors
  • Rebuild scroll pump rotor shafts
  • Repair or cast pump diaphragms