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Flowserve-Pacific Wietz-Compressor Seals and Systems - Circpac

Compressor Seals and Systems - Circpac

BRAND: Pacific Wietz

The Circpac is a segmented carbon ring seal used in turbomachinery equipment. Originally designed to help keep bearing oil away from the dry gas seals, it can also be applied as a standalone sealing solution.


  • Power
  • Oil & Gas
  • Chemical
  • General Industry

industry sectors

  • Conventional Steam
  • Geothermal
  • Combined Cycle
  • Concentrated Solar Power
  • Biomass and MSW
  • Upstream Exploration & Production
  • Midstream Transportation
  • Downstream Processing
  • Basic
  • Specialty
  • Biofuels
  • Pharmaceutical
  • Mining
  • Other Industries

API, ASME others

Operating Parameters

Up to 20 bar (290 psi), to 180°C (350°F), up to 140 m/s (27,600 fpm), to 360 mm (to 14.125 inch)

Features & Benefits

The carbon rings in a Circpac seal are designed for continuous, non contacting operation allowing for consistent life cycle performance.


Carbon Ring Seal

Circpac LO
Carbon Ring Lift Off

Circpac HP
Standalone Carbon Ring Seal


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