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Name: 886HT Bellows Seal
Type: Single High Temperature Component Seal
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CHESTERTON’S 886HT High Temperature Single Bellows Seals are designed to easily replace OEM component seals in the most demanding services.
- Proven performance in high temperature services
- Versatile slotted gland design
- Cartridge seal designed to fit standard pump bores
- Available for ANSI/ISO and API pump models
- Easily replaces OEM component seals
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CUTAWAY
Chesterton’s 886HT Rotary Bellows Seal:
- High temperature grafoil secondary seals
- Heat-treated AM350 bellows core
- Rotating bellows eliminates clogging
- Low expansion alloy
- Anti-coke throttle bushing
- Low spring rate
- Low heat generation
- Reduced coking at the seal faces
- Minimized face load variations
- Provides consistent fluid film
- Less sensitive to installation tolerances
- Forgiving to variations in equipment tolerances
- Twelve convolution bellows
- Higher pressure capability
- Maximum axial motion
- Compact bellows design
- Low stresses at the ID weld joints
Materials
- Blister-resistant antimony carbon
- High heat transfer, chemically resistant silicon carbide
- Heat-treated AM350 bellows core
- Low expansion alloy face retainer
- Optional heat treated Inconel 718 bellows for corrosive services
- High temperature grafoil secondary seals
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