PLB Duct Pipes in Delhi PLB Duct Pipes Manufacturer in Delhi BERLIA PIPES are manufacture Of PLB Duct Pipes from High Density Poly Ethylene (HDPE) and are coated inside with Silicon for permanent lubrication that aids in easy installation as conduits for underground cabling. These are manufactured at our state-of-the-art extrusion plants as per DOT Specification GR/CDS-08/02 Nov. 2004 amendments. PLB Duct Pipes are used as underground cable conduits for optical fiber cables, communication cables etc. & are suitable for cable installation by blowing tor pulling by rope techniques. 'BERLIA PIPES' was one of the first very few manufacturers to acquire technology and equipment for establishing complete manufacturing facility for PLB-HDPE Ducts. Berlia PLB Duct Pipes are engineered for superior performance and safety. Designed to be anti-rodent, these pipes ensure durability by resisting damage from pests. Additionally, they are non-flammable and fire-retardant, providing an extra layer of safety in critical installations. Choose Berlia for reliable and secure piping solutions. At 'BERLIA PIPES', PLB-HDPE Ducts are manufactured using ultra-violet (UV) stabilized grade of HDPE with required Anti Oxidant content and other recommended additives. The inner layer of ducts is duly silicon coated which minimizes the friction between OFC and the duct during the process of blowing the cable into the ducts, thus providing smooth installation of OFC in the duct without damaging the cable fibres. Features Environment Stress Crack Resistance (ESCR) Impact Resistance