Covalence® Dirax HDD Heat-Shrinkable Sleeves

Fiber reinforced heat-shrinkable sleeve for field joint protection during directional drilling.

A high performance fiberglass reinforced sleeve specifically designed for girth weld corrosion protection for PE, PP and FBE coated pipes used for horizontal or directional drilling (HDD-Pull Through) applications. The reinforcement gives the backing greater abrasion and gouge resistance.

Product Enquiry

Covalence® Dirax HDD Heat-Shrinkable Sleeves
  • Features & Benefits
  • Product Range
  • Downloads

Features & Benefits


  • Fiber reinforced high density polyethylene backing
  • UNI sleeve design with bonded closure
  • Ultra high shear adhesive
  • Low preheat requirements
  • Wear cone protects leading edge of sleeve against pull-through forces
  • Sleeve can be applied over wet epoxy primer


  • Extremely tough to resist abrasion and gouging
  • A wraparound heat-shrinkable designed for quick installation
  • Highly resistant to shear and peel forces during pipeline construction and while in-service
  • Installation friendly in combination with high functionality
  • Abrasion and wear resistance at pull-through comparable to mill coating
  • No cure or waiting times

Product Range

Code Name Description
Available on request DIRAX Directional drill joint protection for 3LPE line coatings
Available on request DIRAX PP Directional drill joint protection for 3LPP line coatings


Name Description Language Download
PDS Covalence Dirax Product Data Sheet English download
PDS Covalence Dirax PP Product Data Sheet English download

For more information and downloads, visit our distributor portal.

Log in

You may also like