IS 3279 : 2024 Mushroom Ventilators

ICS 47.020.90

TED 17

(Superseding IS 3280 : 1966, IS 3281 : 1966, IS 3282 : 1966, IS 3283 : 1966 & IS 3940 : 1989)

1 SCOPE

This Indian standard specifies the dimensions and material of components of mushroom ventilators for ship use popularly known as ventilators.

2 REFERENCES

The standards listed in Annex A contain provisions which through reference in this text, constitute provisions of this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent edition of these standards.

IS No.	Title
IS 1363	Hexagon head bolts, screws and nuts of product grade ‘C’
(Part 1) : 2023	Hexagon head bolts (size range M 5 to M 64) (sixth revision)
(Part 2) : 2023	Hexagon head screws (size range M 5 to M 64) (sixth revision)
(Part 3) : 2018	Hexagon nuts (size range M 5 to M 64) (fifth revision)
IS 1364	Hexagon head bolts, screws and nuts of product grades A and B
(Part1) : 2023	Hexagon head bolts (size range M 1.6 to M 64) (sixth revision)
(Part 2) : 2023	Hexagon head screws (size range M 1.6 to M 64) (sixth revision)
(Part 3) : 2018	Hexagon nuts, style 1 (size range M 1.6 to M 64) (fifth revision)
(Part 4) : 2003/ISO 4035 : 1999	Hexagon thin nuts (chamfered) (size range M 1.6 to M 64) (fourth revision)
(Part 5) : 2002	Hexagon thin nuts - Product Grade B (unhampered) (size range M 1.6 to M 10) (fourth revision)
(Part 6) : 2018	Hexagon nuts, style 2 (first revision)
IS 1730 : 1989	Dimensions for steel plates, sheets strips and flats for general engineering purposes (second revision)
IS 3048 : 1965	Dimensions for handwheels
IS 3075	Specification for circlips
(Part 1) : 1986	Shafts (first revision)
(Part 2) : 1986	Bores (first revision)
(Part 3) : 1986	Type E for shafts (first revision)
IS 4218	ISO general purpose metric screw threads
(Part 1) : 2001/ISO 68-1 : 1998	Basic profile (second revision)
(Part 2) : 2001/ISO 261 : 1998	General plan (second revision)
(Part 3) : 1999/ISO 724 : 1993	Basic dimensions (second revision)
(Part 4) : 2001	Selected sizes for screws, bolts and nuts (second revision)
IS 6631 : 1972	Specification for steel pipes for hydraulic purposes
IS 7008	ISO Metric trapezoidal screw threads
(Part 1) : 2021/ISO 2901 : 1993	Basic profile and maximum material profile (third revision)
(Part 2) : 2021/ISO 2902 : 2021	Pitch diameter combinations (second revision)
(Part 3) : 2023/ISO 2904 : 1977	Basic dimensions (second revision)
(Part 4) : 2021/ISO 2903 : 1993	Tolerances (third revision)