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.

Select your options below…

{{ option.description }}
"{{ option.noLongerAvailable }}" is no longer a valid option. Please choose from the current set of options.
Need help? Call one of our pump experts at 1-802-255-4003. We’re open Mo-Fr 8:30am to 5:00pm ET.
Request pricing below.
${{ calcCost | formatCurrency }} ${{ (calcCost * calcQuantity) | formatCurrency }} per {{ calcQuantity }} (${{ (calcCost * boxQuantity) | formatCurrency }} per {{ boxQuantity }}) ${{ calcCost | formatCurrency }}
Configured Part No. {{ calcPartNumber }}
{{ calcAvailability }}
Alternate Part Nos. {{pn}}
{{pn}}
Request Quick Quote
Get Business Financing!
Payments as low as ${{monthlyPayments}}/mo
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.