Type 83 Dry Gas Seals | John Crane Mechanical Seals

Type 83

Separation Seal (Contacting Technology)

The Type 83 is a dual-segmented carbon bushing assembly designed to prevent the migration of bearing oil to the dry gas seal cartridge. Normally applied as a double arrangement with an inert buffer gas. When used in conjunction with the Type 28 dry-running gas seal, it provides a total sealing system that ensures separation of bearing oil and process gas in compressors.

Features

  • California Residents: PROPOSITION 65 WARNING
  • Low buffer gas consumption.
  • Low wear for longer life and improved reliability.
  • Cartridge design for easy installation.
  • Universal design independent of shaft rotation.
  • Unique carbon bushing segment design with self-adjusting hydropads.
  • Incorporates biased flow path to further reduce the risk of bearing oil migration.
  • Specially designed joint between the carbon bushing segments to minimize buffer consumption and bearing oil migration.
  • Unique axial spring design accommodates shaft excursions.

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