Inspect & Repair of a Single Stage Vertical Lift Pump

Repair of a Single Stage Vertical Lift Pump

In order to bring a failed single stage vertical lift pump to OEM tolerances, a customer in the pump industry contracted us at American Precision Services to inspect and repair the unit. After inspecting the pump to determine the actual deficiencies, our team reverse engineered the necessary components and drafted them in our 3D modeling software. This capability allowed us to virtually assemble the unit to verify form, fit, and function. Utilizing our CNC lathes, CNC mills, grinding machines, vertical boring mills, horizontal bar mills, blasting equipment, and dynamic balancing equipment, a range of materials were manipulated to create the pump’s new parts including 420 stainless steel, A36 steel, 4150HT steel, and 932 bronze. All of which were machined to tightest tolerance of ± 0.001″, with up to a 32 RMS surface finish.

The pump was assembled on site, with overall measurements of 30′ in length and 60″ in diameter and an assembled weight of 22,000 lbs. This project was completed in a turnaround time of 60 days, shipped to the customer in East Chicago, IN as agreed. For more details about this single stage vertical lift pump inspection and repair project, or more about our repair and custom manufacturing capabilities please see the table below or contact us directly.

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Inspect & Repair of a Single Stage Vertical Lift Pump Project Highlights:

Project Scope

Inspect failed 34” Single Stage Vertical Lift Pump to determine repairs necessary to bring back to OEM tolerances.

Capabilities Applied/Processes


Primary:

  • Reverse engineer components.
  • Draft all components in 3D modeling software.
  • Assemble unit in 3D modeling software, confirm clearances, fits, and correct sizes.
  • Manufacture new components.
    Assemble unit and verify.
Equipment Used to Manufacture Part

CNC Lathes
CNC Mills
Grinding Machines
Vertical Boring Mills

Horizontal Bar Mills
Dynamic Balancing Equipment
Blasting Equipment

Overall Equipment Dimensions

60” Diameter x 30′ Long
Assemble Weight: 22,000 lbs.

Tightest Tolerances

± 0.001”

Material Used

420 Stainless Steel
A36 Steel

4150 HT Steel
932 Bronze

Material Finish

Up to 32 RMS Burnished

In process testing/inspection performed

Dimensional Inspection, Visual Inspection

Industry for Use

Pump

Delivery/Turnaround Time

60 Days

Delivery Location

East Chicago, IN

Standards Met

Customer Specifications, 2D CAD Drawing

Product Name

Vertical Lift Pump