Innovations in Precast,
Drainage and Wastewater products

Search
main product photo

Poly-III High Pressure Closed Ended Boot Seal

SKU
prod-85
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.

U.S. Patent No# 6,691,975
  • Accepts 3" or 4" pipe
  • Meets or exceeds all new ASTM C-923 specifications
  • Seal can be used in tanks with 2 1/2" - 6" wall thickness
  • Quick and easy installation of seal to 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 gasket on mandrel
  4. Pour concrete into form
  5. Strip form
  6. Insert 4"or 3" pipe and tighten take-up clamp