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Environmental Seals/Fire Seals
Link-Seal Environmental Seal for Conduit
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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
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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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Eaton is a power management company with 2018 sales of $21.6 billion. We provide energy-efficient solutions that help our customers effectively manage electrical, hydraulic and mechanical power more efficiently, safely and sustainably. Eaton is dedicated to improving the quality of life and the environment through the use of power management technologies and services. Eaton has approximately 100,000 employees and sells products to customers in more than 175 countries.
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