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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.


  • General Industry
  • Chemicals
  • Oil & Gas
  • Power

industry sectors

  • Mining
  • Other Industries
  • Basic (Organic & Inorganic)
  • Specialty (Fine & Consumer)
  • Biofuels
  • Pharmaceutical
  • Upstream Exploration & Production
  • Midstream Transportation
  • Downstream Processing
  • Conventional Steam
  • Geothermal
  • Combined Cycle
  • Concentrated Solar Power (CSP)
  • Biomass and MSW

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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