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Link-Seal Environmental Seal for Conduit

Eaton's Crouse-Hinds series Link-Seal is the quick, economical way to seal around conduit in concrete walls, floors and casings.  Link-Seal is a modular mechanical seal used for any type of penetration.

Link Seal

Design features

  • Saves time and money – Link-Seal installs in up to 75% less time than competition products
  • Positive hydrostatic sealing – properly installed, Link-Seal is rated at 20 psig (40 feet of head), which exceeds the performance requirements of most applications
  • Environment seals – designed for long life and use as a permanent seal; seal elements are specially compounded to resist aging, ozone, sunlight, water and a wide range of chemicals
  • Fire seals – for fire protection in floor and wall penetrations, Link-Seal is Factory Mutual approved
  • Resistance to high and low temperatures – Link-Seal environmental seal is manufactured from special compounds that resist temperatures from -40°F to +250°F; Link-Seal fire seal is manufactured from a silicone material that resists temperatures from -67°F to +400°F
  • Corrosion protection – where installation against galvanic corrosion (or electrolysis) is required, Link-Seal provides complete separation between pipe and casing; metal-to-metal contact is eliminated
  • Compensates for misalignment – Link-Seal allows for some angular and off center conduit conditions and still seals effectively
  • Absorbs shock, sound and vibration – helps reduce conduit failure due to fatigue and threaded connections

Standard materials

  • Rubber seal elements – environmental seals: EPDM (black); fire seals: silicone (gray)
  • Pressure plates – environmental seals: glass-reinforced nylon; fire seals: steel with zinc dichromate plate
  • Fasteners – environmental seals: carbon steel, zinc dichromate plate or 316 stainless steel (optional with suffix S316); fire seals: carbon steel with zinc dichromate
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