Chesterton 886HT High-Temperature Single Component Bellows Seal Mechanical Seal

Rotary or Stationary models, 1 to 2.625in/25 to 65mm shaft sizes, replaces OEM seals.

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Product Manual
Product Specs

Effective April 15th, 2025 Chesterton has added a 3% surcharge for all of their products. The surcharge will appear as a separate line item on the order.

Highlights...

Features

  • Rotary and Stationary units available
  • Shaft sizes:
    • Rotary: 1.25 to 2.125in, 25 to 65mm
    • Stationary: 1 to 2.625in/25 to 65mm
  • -67 to 800°F (-55 to 427°C) operating temperature
  • 28in (711mm) Hg Vacuum to 150psig (10barg)
  • Bellows:
    • AM350 heat-treated
    • 718 Inconel heat-treated (corrosive services)
  • Face Materials:
    • Silicon Carbide
    • Carbon Graphite
    • Tungsten Carbide
  • Secondary Seal:
    • Grafoil Packing
  • Up to 4000 FPM operating speed
  • 316 Stainless Steel / EN 1.4401 metal parts

The Chesterton 886HT High-Temperature Single Component Bellows Seal Mechanical Seal features an advanced bellows design with a heat-treated AM350 bellows core for maximum cycle life.