Pumps repair

Centrifugal pumps


5 pump

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


  • 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


  • 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


  • Repair and protect pitted line shafts – Rebuild shaft sleeve/bearing locations

Positive displacement 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

Read more about Pumps – Restoration and Efficiency Enhancement