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Type 586

Heavy-duty Cartridge Seal for Flue Gas Desulphurization

The Type 586 is a single, stationary cartridge-mounted seal assembly designed to contain the thick, corrosive and erosive slurries typically found in flue gas desulphurization processes. Made from high-grade materials, it has an integral PTFE guide sleeve to prevent clogging.


  • California Residents: PROPOSITION 65 WARNING
  • Cartridge design for easy fitting and minimum replacement time.
  • Non-clogging protected springs offer improved reliability by preventing build-up of solids.
  • Robust, corrosion-resistant materials.


Temperature Limits

-40°F to 302°F/-40°C to 150°C

Pressure Limits

224 psi(g)/16 bar(g)

Speed Limits


Standard Materials

Primary ring and mating ring: Silicon carbide/silicon carbide

Retainer assembly: Hastelloy C-276 or stainless steel

Thrust ring assembly: Stainless Steel

Springs: Stainless steel

O-rings: Nitrile, Fluorcarbon, Ethylene Propylene

Recommended Applications

  • Process pumps
  • Other rotating equipment

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