Link-Seal, Century-Line Sleeves and Cell-Cast Disks are a GPT - EnPro Industries brand. They work together to create the ultimate pass through for piping. GPT's Link Seal modular seals work with a wide range of commercial / industrial piping to pass through walls, floors, ceilings and more. Link Seal is a flexible belt of connected links made of a high quality rubber material to the purpose of completely filling the void between pipes and wall / floor and ceiling openings. Contact Us today by completing our easy online quoting system.
Link Seal Modular Seal applications include: Insulated Pipe Seals, Pool Contractors, Mining, Electrical Isolation, Noise / Sway Dampener, Oil Rigs, Telecom, Waste & Water Treatment, Mechanical Contractors, Marine, Tunneling, Septic Tanks, Precast Concrete, Fire Protection and More!
Link Seal comes in a range of material types, including EPDM for water tight applications. Hardware includes zinc/steel as well as 316 Stainless.
The following chart reflects all the link seal modular seal size combinations. All our link seal products are sold by the link. Use the sizing chart for extra guidance or give us a call.
Carbon Nuts and Bolts (EPDM)
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Stainless Steel Nuts and Bolts (EPDM)
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LS-200 C Link Seal
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LS-200 S 316 Link Seal
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LS-275 C Link Seal
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LS-275 S 316 Link Seal
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LS-300 C Link Seal
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LS-300 S 316 Link Seal
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LS-315 C Link Seal
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LS-315 S 316 Link Seal
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LS-325 C Link Seal
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LS-325 S 316 Link Seal
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LS-340 C Link Seal
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LS-340 S 316 Link Seal
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LS-360 C Link Seal
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LS-360 S 316 Link Seal
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LS-400 C Link Seal
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LS-400 S 316 Link Seal
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LS-410 C Link Seal
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LS-410 S 316 Link Seal
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LS-425 C Link Seal
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LS-425 S 316 Link Seal
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LS-475 C Link Seal
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LS-475 S 316 Link Seal
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LS-500 C Link Seal
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LS-500 S 316 Link Seal
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LS-525 C Link Seal
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LS-525 S 316 Link Seal
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LS-575 C Link Seal
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LS-575 S 316 Link Seal
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Electrical | Electrical Isolation | Refrigeration Facilities |
Tunneling | Sway & Noise Control | Thermal Storage |
Pool Installation | Electrical Isolation | Telecommunications |
Coal Plants | Fluid Overflow Devices | Waste Treatment Plants |
Fountains | Marine | High Pressure Tank Guards |
Septic Tank Installations | Guard Post Assemblies | Fire Protection Wall Penetrations |
Paper & Pulp | Dual Containment | Oil Rigs |
Bridge Construction | Interior Piping Systems | Underground Steel Tanks |
Mining | Precast Concrete Vault Seals | Perimeter Berm Installations |
Through Deck Fire Breaks | Cased Railroad Crossings | Flow Restrictors |
Saves Time and Money - installs in 75% less time than typical installation methods
Positive Hydrostatic Seal - Rated at 20 psig (40 feet of head)
Long Life - They are permanent seals - resisting aging, ozone, water, sunlight and chemicals.
Protection Against cor - Uses a proprietary coating on Carbon Steel and offers 316 SS for corrosion resistance.
ISO Certified - Manufactured in a ISO 9001:2008 certified facility (USA Manufactured)
Configurable - Choose your size for wall opening, pipe sizing and more.
Seals: EPDM (black & blue), Nitrile (green), Silicone (grey)
Material Type: Carbon Steel or 316 Stainless Steel
Plates: Reinforced Nylon Polymer
Temperature Range: -40 degrees F to 250 degrees F (EPDM), -40 degrees F to 210 degrees F (Nitrile), -67 degrees F to 400 degrees F (Silicone)