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Home   |   Case Studies   |   NASH steps in to ensure swift repair

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NASH steps in to ensure swift repair

After a rebuilt reclaimed oil pump developed bearing problems within 35 hours of commissioning, a NASH examination found minor damage before restoring the seal for extended long-term service.

Client challenge

When a rotating equipment service company’s instructions to grease bearings on a rebuilt reclaimed oil pump were misunderstood, knock-on damage to the mechanical seal was suspected. The seal OEM’s quoted inspection and repair turnaround time was six week.

Given the seal OEM’s long lead and high costs, the pump service specialist asked NASH to guarantee a one week turnaround with more competitive pricing.

Our response

Although we had not worked on this customer’s specific seal before, the NASH team stripped and checked whether it had worked correctly before the incident, and was still fit for use.

We found that the seal was in good condition apart from some minor damage.

Our conclusion was that the seal had performed satisfactorily until the bearing problem. A full Inspection Report detailed the condition of all parts and recommended work scope.

Work scope: –

As a result of our workshop inspection: –

  • The existing seal was refurbished
  • All faces were machined and lapped
  • New perfluoroelastomers were fitted throughout

Benefits

  • The refurbished seal was returned to the client within one week, as requested
  • NASH was able to provide more competitive prices than the OEM
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  • enquiry@nashseal.com
  • +44 (0) 1204 388 030
  • NASH Mechanical Seal Services Ltd, Nile Street, Bolton, Lancashire, BL3 6DW, England
    Company Registration Number: 01803027

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