| 1783 | Injection Moulded/Machined High-Density Polyethene (HDPE) Fittings for Potable Water Supplies, Part 8: Specific Requirements for Reducing Tees | IS 8008-8:2003 |
| 1784 | Injection Moulded/Machined High-Density Polyethene (HDPE) Fittings for Potable Water Supplies, Part 9: Specific Requirements for End Caps | IS 8008-9:2003 |
| 1785 | Fabricated high-density polyethene (HDPE) fittings for potable water supplies, Part 1: General requirements | IS 8360-1:1977 |
| 1786 | Fabricated high-density polyethene (MDPE) fittings for potable water supplies, Part 2: Specific requirements for 90-degree tees | IS 8360-2:1977 |
| 1787 | Fabricated high-density polyethene (HDPE) fittings for potable water supplies, Part 3: Specific requirements for 90-degree bends | IS 8360-3:1977 |
| 1788 | Fabricated PVC-U Fittings for Potable Water Supplies – Specification, Part 10: Specific Requirements for 45 ° Bends | IS 9271:2004 |
| 1789 | Fabricated PVC-U Fittings for Potable Water Supplies – Specification, Part 1: General Requirements | IS 10124-1:2009 |
| 1790 | Fabricated PVC-U Fittings for Potable Water Supplies – Specification, Part 2: Specific Requirements for Sockets | IS 10124-2:2009 |
| 1791 | Fabricated PVC-U Fittings for Potable Water Supplies – Specification, Part 3: Specific Requirements for Straight Reducers | IS 10124-3:2009 |
| 1792 | Fabricated PVC- U Fittings for Potable Water Supplies – Specification, Part 4: Specific Requirements for Caps | IS 10124-4:2009 |
| 1793 | Fabricated PVC-U Fittings for Potable Water Supplies – Specification, Part 5: Specific Requirements for Equal Tees | IS 10124-5:2009 |
| 1794 | Fabricated PVC-U Fittings for Potable Water Supplies – Specification, Part 6: Specific Requirements for Flanged Tail Pieces with Metallic Flanges | IS 10124-6:2009 |
| 1795 | Fabricated PVC-U Fittings for Potable Water Supplies – Specification, Part 7: Specific Requirements for Threaded Adaptors | IS 10124-7:2009 |
| 1796 | Fabricated PVC-U fittings for Potable Water Supplies, Part 8: Specific Requirements for 90-degree Bends | IS 10124-8:2009 |
| 1797 | Fabricated PVC-U Fittings for Potable Water Supplies – Specification, Part 9: Specific Requirements for 60 o Bends | IS 10124-9:2009 |
| 1798 | Fabricated PVC-U Fittings for Potable Water Supplies – Specification, Part 10: Specific Requirements for 45o Bends | IS 10124-10:2009 |
| 1799 | Fabricated PVC-U fittings for Potable Water Supplies, Part 11: Specific Requirements for 30-degree Bends | IS 10124-11:2009 |
| 1800 | Fabricated PVC-U Fittings for Potable Water Supplies – Specification, Part 12: Specific Requirements for 22 ½o Bends | IS 10124-12:2009 |
| 1801 | Fabricated PVC-U Fittings for Potable Water Supplies – Specification Part 13 Specific Requirements for 11¼oBends, Part 12: SPECIFIC REQUIREMENTS FOR 22 ½o BENDS | IS 10124-13:2009 |
| 1802 | Unplasticized PVC Pipes for Use in Suction and Delivery Lines of Agricultural Pump Sets | IS 12231:1987 |