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International
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Canada
1600 Brittmoore Rd Houston, TX 77043, USA
1600 Brittmoore Rd Houston, TX 77043, USA
180 Strathmoor Drive Sherwood Park, AB T8H 2B7

Material Upgrade

Fig 1 | OEM Lobe after 6 months operation

Fig 2 | OEM CS Sample Lobe for Blackstone Re-engineering

Fig 3 | Blackstone 316SS Lobe as manufactured

Fig 4 | Blackstone 316SS Lobe after 2 years in operation

Challenge

The customer’s Roots 406J carbon steel lobes were experiencing severe corrosion in a harsh service environment.
The OEM would not manufacture application-specific lobes unless the customer committed to a $0.5M minimum order, creating a major cost and feasibility barrier.

Solution

Blackstone:

  • Replicated the OEM lobe geometry using high-accuracy 3D scans of quality samples provided by the customer.
  • Manufactured new lobes in 316SS, a more suitable material for the service environment — all completed for under $50K.

Results

  • Achieved a 4×+ increase in service life, extending lobe reliability from under 6 months to more than 2 years.

  • Reduced catastrophic lobe failures, which in turn increased the customer’s ability to refurbish housings and maintain overall reliability.

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