Specifications Part 1 - Water Supply, Sewerage and Tube Well Works

Nominal BoreMinimum Outside Minimum LengthDiameter15 27 3720 32.5 3925 39.5 4632 49 5140 56 5150 68 6065 84 6980 98 75100 124 87125 151 96150 178 96Tapping of socket shall be done from one end only.7.12.4 Other FittingsOther wrought steel pipe fittings shall be manufactured from mild steel by anyapproved process.7.12.5 Unless otherwise specified by the purchaser, all fittings shall be manufacturedwith thread connection, complying with the requirements of IS 554: 1985.7.12.6 The steel from which the fittings are made, when tested in accordance with IS1894: 1972 shall show on test a minimum tensile strength of 320 MPa.7.13 Dimensions of tubular:7.13.1 Pieces:Pieces shall conform to the dimensions given in table 1 IS: 1239 (Part 2) : 19927.13.2 Nipple:Close taper and running nipples shall be make only from heavy tubes. Barrelnipples shall be made either from medium or heavy tubes. The dimensions ofnipples shall be as given in table 2 IS: 1239 (Part 2) : 19927.13.3 Long screws (Connectors)Long screws (connection) shall be make only from heavy tube and shall besupplied single or double, as may be specified, and shall conform ok theappropriate dimensions given in Table No. 3 of IS: 1239 (Part 2) : 19927.13.4 Bends and springsBends and springs shall conform to the appropriate dimensions given in Table4. of IS: 1239 (Part 2) : 1992 shall be fitted with sockets sand back nutsconforming to the requirements given in 8.3.2.Urban Administration & Development Department Page 84