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tdr-link
HDPE CORRUGATED FITTINGS
TDR® Link is here to turn pipes into working water management systems. Integrating custom- made and standard fittings with a wide range of accessories, we can deliver a flexible, efficient, and easy-to-install solution for any water management infrastructure project.

PIPE DESIGN

This specification designates the requirements for 4- through 60- inch TDRTM Link fittings for use in gravity-flow drainage applications. Custom fittings may be manufactured according to customer specific requirements. TDRTM Link products shall have dual wall – Corrugated exterior with reinforced double-arch corrugations and smooth interior black liner.
4- though 10- inch shall meet AASHTO M252, ASTM F2648 and ASTM F667
12- through 60- inch shall meet AASHTO M294, ASTM F2306, ASTM F2648 and ASTM F667

STANDARDS

PIPE AND FITTING

TDR® Ultra WT pipe and fittings must be manufactured using high-density polyethylene (HDPE) meeting the minimum requirements of cell classification 435420C/E for all pipe sizes as defined and described in ASTM D3350. Carbon black content shall be between 2 and 4%. Materials for 12- through 60- inch pipe sizes shall comply with NCLS test according to sections 9.4 and 5.1 of AASHTO M294 and ASTM F2306 respectively.

JOIN PERFORMANCE

TDR® Ultra WT pipe shall be joined using a watertight dual wall integrated bell and spigot joint meeting the requirements of AASHTO M252, AASHTO M294, ASTM F2306 and ASTM F2648. The joint shall be watertight according to ASTM D3212. Pre-installed gaskets shall meet the requirements of ASTM F477. A joint lubricant provided by TDR or any other water-based lubricant shall be used during the joint assembly. Please refer to TDR Installation Guideline for more details.

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