IS 4687 : 2025 Gaskets and Packings - Gland Packings Asbestos - Specification
1 SCOPE
1.1 This standard covers the requirements of gland packings made from asbestos intended to contain gases, fluids, and slurries at different temperatures and pressures.
1.2 Gland packings covered by this standard are not applicable for use in the food industry.
1.3 These packings shall be either in round or square sections.
2 REFERENCES
The standards given below contain provisions which, through reference in this text, constitute provisions of this standard. At the time of publication, the edition indicated was valid. All standards are subject to revision, and parties to agreement based on this standard are encouraged to investigate the possibility of applying the most recent edition of these standards:
| IS No. | Title |
| IS 10330 : 2024 | Formed asbestos packing rings for high pressure and high temperature valves - Specification (first revision) |
| IS 11611 : 2022/ISO 10497 : 2010 | Testing of valves - Fire type-testing requirements (second revision) |
| IS 11768 : 1986 | Recommendations for disposal of asbestos waste material |
| IS 12081 (Part 2) : 1987 | Recommendations for pictorial warning signs and precautionary notices for asbestos and products containing asbestos: Part 2 Asbestos and its products |
| IS/ISO 15848-1 : 2015 | Industrial valves - Measurement, test and qualification procedures for fugitive emissions: Part 1 Classification system and qualification procedures for type testing of valves |