Sewerage and Stormwater

Introduction :
D-Rex Double Walled Corrugated Pipes were introduced by Rex Polyextrusion Pvt. Ltd. for the first time in the Indian Piping Market, where, there was a need of a cost economic and durable alternative for the conventional RCC and DI piping systems for sewerage and drainage applications. Manufactured as per IS 16098-2 and compliant with ISO 21138-3 and EN 13476-3, in PE/PP Material



D – REX :

  • D-Rex DWC Pipe is the Double Wall Corrugated Pipe Brand designed and manufactured by Rex Polyextrusions Pvt. Ltd.
  • D-Rex DWC Pipe structural wall pipe is made of PE / PP with smooth internal and corrugated (profiled) external surface.
  • It is a state-of-the-art thermoplastic co-extrusion process.
  • Utilizes advanced German High Precision Machinery for the process.



Sizes ID(mm)
Stiffness Class SN 4, SN 8 & SN 16
75 100 135 150 170 200 250 300 400 500 800


Features And Components :

  • Lower Manning’s Roughness Co-efficient (n) (0.009)
  • Higher Hazen – Williams Co-efficient (C) (150)
  • Excellent abrasion resistance
  • Chemically inert, and has excellent anti-corrosive properties, making it resistant to crown corrosion
  • Can be used in aggressive climatic conditions
  • Prohibits growth of biologicals on the inner surface
  • Profiled external surface supports better bonding with soil


Salient Features :

  • Excellent load bearing capacity
  • Light weight
  • D-Rex DWC Pipes are flexible and fatigue resistant
  • Simple to stack
  • Telescopic transportation without damages
  • Lesser manpower / labor requirement
  • No need of heavy machinery for conveyance




PROJECTS IN HAND : 25,00,000 M




For More Details


Mr. Mahesh Khadilkar, GM - Marketing

Mobile No.: 9922437041

Email: drex@rexpoly.co.in