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Wastewater Supply

Polylok - Poly III High Pressure Closed End Boot Seal - 3003-B (case of 50)

Polylok - Poly III High Pressure Closed End Boot Seal - 3003-B (case of 50)

Regular price $586.23 USD
Regular price Sale price $586.23 USD
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The first and only patented Closed Ended Boot Seal on the market. The Poly III makes it easy to vacuum test because there are no openings to plug. It accepts either 3" or 4" pipe. It also meets ASTM C-923 specifications and can fit in a 2 1/2" -6" wall.


  • Accepts 3" or 4" pipe
  • Meets or exceeds all new ASTM C-923 specifications
  • The seal can be used in tanks with 2 1/2" - 6" wall thickness
  • Quick and easy installation of seal to the mandrel
  • No openings in Poly III Seal until ready to connect (no plugs necessary for vacuum testing)

Installation Instructions for Poly III High-Pressure Pipe Seal:

  1. Attach mandrel to outside form wall
  2. Fold seal into casting position
  3. Place the gasket on the mandrel
  4. Pour concrete into the form
  5. Strip form
  6. Insert 4" or 3" pipe and tighten the take-up clamp



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