Special Purpose Fasteners

Super Duplex Stainless Steel Fasteners For Vacuum Pump

A service company responsible for overhauling a liquid ring vacuum pump for a nickel refinery required a set of 24 non-standard fasteners (M10 × 1.25 mm pitch) made from super duplex stainless steel. The components were designed specifically for the pump assembly and could not be sourced off the shelf.

Local suppliers offered high prices and four-week lead times — unacceptable given the refinery’s maintenance schedule.

Scope of Work:

  • Sourced super duplex SS with 3.1 material test certification.
  • CNC-machined each fastener to tight tolerances as per client drawings.
  • Performed fine-pitch thread cutting and dimensional verification of all parts.
  • Cleaned and protectively packaged fasteners to prevent contamination.


Outcome:

  • Completed and delivered the order in two weeks — around 50% faster than local suppliers.
  • Provided substantial cost savings, lowering overall spend by roughly 60%.
  • Supplied parts fully compliant with customer specifications and traceability requirements.


The rapid delivery of precision-machined, certified fasteners allowed the client to complete reassembly without delay, avoiding potential downtime at the refinery. BEP Flow Solutions once again demonstrated its agility, technical depth, and manufacturing reliability for critical plant components.



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