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Trident-Seal® Live Natural Gas Repair Kit


Trident-Seal®, live natural gas repair system permanently seals active leaks, up to 60 psi (4 bar) without interruption to service. This kit is pre-packaged to contain enough material to repair a pinhole or threaded fitting on diameters up to 6 inches; larger repairs can be made by utilizing more than one kit.

Third party testing for long term pressure retention has been conducted at 90 psi (6 bar). The Trident family of products was specifically designed for the natural gas industry and requires Operator Qualified training.

Typical Applications

  • Live natural gas leaks on:
    • Threaded fittings
    • Manifold
    • Meter set
    • Pinhole
    • Mainline
  • Used above or below ground


  • Instant, permanent repair
  • No shutdown or relights
  • Simple application

Kit Contents

  • Step-by-Step Instructions
  • Sanding Cloth
  • Solvent Cleaning Wipe
  • Protective Gloves
  • Trident-Seal Putty
  • Trident-Seal Pressure Sealing Tape
  • Trident-Glass™ Outer Wrap
  • Compression Film

Physical Properties

  • VOCs: None
  • Service Temperature: -50 to 250°F (-45 to 121°C)
  • Application Temperature: 50 to 150°F (10 to 65°C)
  • Shelf Life: 24 Months with recommended storage methods
Item # Pipe Diameter Roll Size
TS2580 1/2” – 1” (12.7mm – 25.4mm) 2” x 7.2′ (5.08cm x 2.195m)
TS3104 1 1/4” – 2” (31.75mm – 50.8mm) 3” x 14′ (7.62cm x 4.27m)
TS4173 2 1/2” – 4” (63.5mm – 101.6mm) 4” x 25′ (10.16cm x 7.62m)
TS4335 4 1/2” – 6” (114.3mm – 152.4mm) 4” x 40′ (10.16cm x 12.19m)
©Neptune Research Inc. (NRI) NRI® and Trident-Seal® are registered trademarks, while Trident-Glass™ is a trademark of NRI. Trident-Seal is patented. NRI utilizes a process of continuous product improvement for all of our products. While we do strictly adhere to our products’ specifications, we routinely implement product improvements. Therefore, please contact your local NRI distributor or office for the most current product specifications. NRI warrants the quality of this product when used according to directions. Trident-Seal is NOT an approved coating system. Failing to coat per standard procedures can lead to atmospheric corrosion damage. Apply protective coatings per company standards. User shall determine suitability of product for use and assumes all risk. The seller will not accept liability for more than product replacement. TS DS 0214