| SI.N | Code book used (Description) | IS Code number |
|---|---|---|
| 1803 | Thermoplastics Pipes and Fittings – Methods of Test | IS 12235-1 to 19:2004 |
| 1804 | glass-fibre reinforced plastic (GRP) pipes, joints, and fittings for use in potable water supply | IS 12709:1994 |
| 1805 | unplasticized polyvinyl chloride (PVC-U)screen and casing pipes for bore/tubewell | IS 12818:2010 |
| 1806 | UPVC pipes for soil and waste discharge systems inside buildings, including ventilation and rainwater systems | IS 13592:1992 |
| 1807 | Unplasticized Polyvinyl Chloride (PVC-U) pipes for soil and waste discharge systems inside buildings, including ventilation and rainwater systems | IS 13592:2013 |
| 1808 | UPVC pipe fittings to be used with the UPVC pipes in the suction and delivery lines of agricultural pumps | IS 13593:1992 |
| 1809 | Code of practice for the installation of glass fibre-reinforced plastic (GRP) piping systems | IS 13916:1994 |
| 1810 | High-density polyethene pipe for sewerage | IS 14333:1996 |
| 1811 | GRP pipes, joints, and fittings for use in sewerage, industrial waste and water (other than potable) | IS 14402:1996 |
| 1812 | Unplasticized Polyvinyl Chloride (UPVC) Injection Moulded Fittings for Soil and Waste Discharge Systems for Inside and Outside Buildings, Including Ventilation and Rain Water Systems | IS 14735:1999 |
| 1813 | Unplasticized PVC Pipes (Ducts) and Fittings for Underground Telecommunications Cable Installation | IS 14787:2000 |
| 1814 | Polyethene Pipes for the Supply of Gaseous Fuels | IS 14885:2001 |
| 1815 | Flexible PVC Pipes or Polymer Reinforced Thermoplastic Hoses for Suction and Delivery Lines of Agricultural Pumps – Specification | IS 15265:2003 |
| 1816 | Unplasticized Non-Pressure Polyvinyl Chloride ( PVC -U ) Pipes for use in Underground Drainage and Sewerage Systems | IS 15328:2003 |
| 1817 | Polyethene/ Aluminium/ Polyethene Composite Pressure Pipes for Hot and Cold Water Supplies | IS 15450:2004 |
| 1818 | Chlorinated polyvinyl chloride (CPVC) pipes for potable hot and cold water distribution supplies | IS 15778:2007 |
| 1819 | Polypropylene-random copolymer pipes for hot and cold water supplies | IS 15801:2008 |
| 1820 | Polyethene Fittings for use with Polyethene Pipes for the Supply of Gaseous Fuels – Specification, Part 1: Fittings for Socket Fusion using Heated Tools | IS 15927-1:2012 |
| 1821 | Polyethene Fittings for use with Polyethene Pipes for the supply of Gaseous Fuels – Specification, Part 2: Spigot Fittings for Butt Fusion for Socket Fusion using Heated Tools and for use with Electro Fusion Fittings | IS 15927-2:2012 |
| 1822 | Polyethene Fittings for use with Polyethene Pipes for the Supply of Gaseous Fuels, Part 3: Electro Fusion Fittings | IS 15927-3:2011 |
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