SHAFTS & SLEEVES FOR PUMPS
Hydro Pumps manufactures and restores shafts and sleeves for industrial pumps of any brand: precision machining in certified materials, thermal spray restoration with final grinding, and reverse engineering when there are no drawings. The component that transmits all the pump's power deserves design tolerances, not improvisation.
What we manufacture and restore
From a new shaft made to drawing to the restoration of a worn sleeve, always with documented dimensions.
New shafts made to drawing
Machined from carbon steel, stainless steel and special alloys, with raw material certificates.
Reverse engineering
No drawing? We measure the used shaft, rebuild the geometry and manufacture a new one, preserving design tolerances.
Thermal spray restoration
Worn bearing seats and sealing areas rebuilt by thermal spray and grinding.
Shaft sleeves
Protection sleeves in stainless steel and hardened materials — the sacrificial part that saves the shaft.
Vertical line shafts
Long shafts for vertical turbine pumps, with straightness control and threaded couplings.
Straightening and correction
Straightening of bent shafts with dial indicator control and stress relief.
Design tolerances or nothing
The shaft is the pump's backbone
Every rotating component of the pump rests on the shaft: impeller, bearings, seal, coupling. A shaft out of tolerance (an out-of-round seat, a scored seal area, tenths of runout) condemns each of those components to early failure, however good they are.
Our machining holds the tolerances each section demands: bearing seats in the correct fit class, sealing areas with a mirror finish, runout controlled along the length.
Restore it or make a new one?
Localized wear (a bearing seat, the packing area) is restored by thermal spray and grinding at a fraction of the cost of a new shaft. Slight bending is corrected by controlled straightening. Cracks, widespread wear or a fatigue history condemn the shaft: we manufacture the replacement to drawing or by reverse engineering.
Dimensional inspection and, when indicated, non-destructive testing define the route on objective criteria, and the report documents the decision.
Shaft and sleeve questions
What gets asked before ordering manufacture.
01My shaft is scored at the seal area. Does it need replacing?
In most cases, no: the area is rebuilt by thermal spray and ground back to the original diameter with the correct finish, or protected with a shaft sleeve, which becomes the sacrificial item at future seal replacements.
02Do you manufacture a shaft without the original drawing?
Yes, through reverse engineering: we measure the used shaft (even a damaged one), capture the complete geometry with the correct tolerances for each section and manufacture it in equal or superior material, with certificates and final dimensional report.
03Can a bent shaft be fixed?
Slight bends are corrected by controlled straightening with dial indicator verification. Severe bends, or shafts with cracks detected in testing, cannot be restored; in those cases a new shaft is the safe path, and the report documents why.
04What is the lead time for a new shaft?
It depends on size, material and complexity. Common horizontal pump shafts leave our machining shop quickly; long vertical shafts or special alloys take longer. The quote comes with a firm lead time and an expedited option.
Related parts and services
Industrial Bearings
The shaft's partner: supply and controlled installation.
Pump Overhaul
Shaft, impeller and casing in the complete overhaul.
Rotating Assemblies
The complete assembly built, balanced and tested.
Guide: Shaft Alignment
Parallel and angular misalignment between pump and motor.
Need a shaft or sleeve for your pump?
Send the drawing or the used part, and engineering replies within 24 hours with the route, lead time and price.