IS 3940 : 1989 Ships' - Exhaust Ventilators - Specification

1 Scope

1.1 This standard specifies types, material, dimensions andconstructional details of exhaust ventilators for use on boardships.

2 References

IS 1278 :1972Filler rods wires for gas welding

IS 1323 :1982Code of practice for oxy-acetylene welding forstructural work in mild steel

IS 1363 : Part 1 :1984 Hexagon head bolts, screws and nuts ofproductgrade C:Part 1 Hexagon head bolts (size range M 5 to M 36)

IS 1363 : Part 2 :1984 Hexagon head bolts, screws and nuts ofproductgrade C:Part 2 Hexagon head screws (size range M 5 toM 36)

IS 1730 : Part 2 : 1974 Dimensions for steel plate,sheet and strip forstructural and general engineering purposes:Part 2 Sheet

IS 2062 :1984Weldable structural steel

IS 2102 : Part 1 :1980 General tolerances for dimensions and fromandposition:Part 1 General tolerances for linear and angulardimensions

IS 2629 :1985Recommended practice for hot-dip galvanizing ofiron and steel