Hdpe double wall ( dwc ) corrugated pipe

H.D.P.E. Dwc (double wall corrugated) pipe : The product is used on a wide range by almost all the departments in india like railways, pwds, telecom companies, development authorities, state electricity board, airport authorities, power distribution companies etc. For power/telecom/ signaling cable protection and management system. The conventional methods of laying bricks, putting rcc or stoneware pipes is now getting gradually replaced by railways, govt., semi govt., power distribution companies, various municipal corporations, state development authorities etc. As indian standard bureau exclusively specify the field requirement and testing of ducts suitable for underground cable protection by forming specifications isi: 14930 part ii. These earlier conventional methods are outdated and are being followed in the absence of appropriate standards and standards followed earlier were meant for the pipes to be used for sewage and drainage. Corrosion resistant Available in colours on demand Chemically inert Environmentally safe Good impact strength Good abrasion resistance Less weathering Recyclable Advantages due to double wall corrugation : Saves raw materials Excellent ring stiffness Smooth inner wall, hence minimum loss of friction Even when bent, the roundness of pipe is retained Moderate flexibility takes care of soil settlement Takes heavy earth loads Easy jointing Nominal size mm 50 63 77 90 110 120 145 160 175 200 O.D. Mm 50 63 77 90 110 120 145 160 175 200 I.D. Mm 38 51 63 76 95 103 126 136 148 175 Min bending radius 700 1100 1100 2000 3600 3600 na na na na I.D. Of coil mm 1400 .... 850 1000 ..... 1400 na na na na Standard color - black, orange, green , blue or as required by buyer Hdpe fabric packing or as desired by buyer