In pursuance of Subrule 1 of Rule 15 of the Bureau of Indian Standards Rules, 2018, the Bureau of Indian Standards

## Policy Analysis Report: Bureau of Indian Standards Notification, May 19, 2025 **1. Executive Summary:** This report analyzes a notification issued by the Bureau of Indian Standards (BIS) on May 19, 2025, regarding updates to Indian Standards. The notification establishes revised standards and specifies the withdrawal of previously enforced standards, impacting the gas cylinder safety device, compressed gas cylinder, and fasteners industries. The core purpose is to update and maintain relevant safety and quality standards for these products. Key findings indicate revisions and updates to ensure alignment with current technology and practices. **2. Introduction:** This report aims to provide a comprehensive overview of the Bureau of Indian Standards (BIS) notification published on May 19, 2025. The analysis is based solely on the provided text of the notification and focuses on the establishment and withdrawal of Indian Standards. The target audience is stakeholders within the affected industries, particularly those involved in the manufacture and supply of gas cylinders, compressed gases, and fasteners. **3. Policy Overview:** This is an amendment to existing standards rather than a completely new policy. The notification references and revises pre-existing Indian Standards. * **Core Objective(s):** * To update and establish new Indian Standards for specific products. * To withdraw outdated Indian Standards and keep the current standards up-to-date. * To maintain and improve the safety and quality of gas cylinders, compressed gases, and fasteners within India. **4. Background and Rationale:** The provided text indicates that this is an update to existing standards. The revisions suggest a need to incorporate advancements in technology, address identified shortcomings in previous standards, and align with evolving safety requirements in the gas cylinder, compressed gases, and fasteners industries. The continued reference to ISO standards also implies a desire to maintain international alignment. **5. Key Provisions / Changes:** This notification introduces several changes to existing standards, primarily revisions and updates. The specific changes are as follows: * **IS 5903: Types of Safety Device for Gas Cylinders and Gas Cylinder Valves:** * The 2014 version of IS 5903 is withdrawn on November 13, 2025, and replaced by the IS 5903: 2025 version. * The new standard likely incorporates advancements in safety device technology and addresses any issues identified in the previous (2014) version. This could include changes in design specifications, materials, or testing procedures. * *Effect*: Enhanced safety standards for gas cylinders and valves, requiring manufacturers to comply with the revised specifications. * **IS 8198 Part 6: Steel Cylinders for Compressed Gases Code of Practice Part 6 Liquefied Chlorine Gas:** * The 1988 version of IS 8198 Part 6 is withdrawn on November 13, 2025, and replaced by the IS 8198 Part 6: 2025 version. * The new standard for steel cylinders likely reflects updated best practices for the handling and storage of Liquefied Chlorine Gas. This could involve changes in material requirements, manufacturing processes, or testing protocols to ensure safety and prevent leaks. * *Effect*: Improved safety protocols for the use of steel cylinders containing liquefied chlorine gas. * **IS 15630: Fasteners Slotted Set Screws with Long Dog Point Specification:** * The 2005 version of IS 15630 is withdrawn on November 13, 2025, and replaced by the IS 15630: 2025 version. The notification also withdraws ISO 7435 : 1983. * The updated specification for slotted set screws likely aims to improve fastener quality, dimensional accuracy, and performance. This could involve changes in material grades, manufacturing tolerances, or testing methods. * *Effect*: Higher quality and more reliable fasteners, potentially reducing the risk of failure in applications where they are used. * **IS 19273: Tools for Pressing Heel Guiding in Large Stamping and Forming Dies:** * A new standard, IS 19273: 2025, for tools used in pressing heel guiding in large stamping and forming dies, has been established. ISO 20929: 2018 is also included. * *Effect*: Standards for new tools implemented to improve best practices for large stamping and forming dies. **6. Target Audience and Stakeholders:** The primary target audience includes: * Manufacturers of gas cylinders and valves. * Manufacturers and suppliers of steel cylinders for compressed gases, specifically liquefied chlorine gas. * Manufacturers and suppliers of fasteners, particularly slotted set screws with long dog points. * Industries that use gas cylinders, compressed gases, and fasteners. * Manufacturers and industries that use tools for pressing heel guiding in large stamping and forming dies. **7. Implementation Aspects (Inferred):** * **Responsible agency/bodies:** The Bureau of Indian Standards (BIS) is the responsible body for establishing and implementing these standards. * **Timelines:** The new standards were established on May 13, 2025, and the older standards are to be withdrawn on November 13, 2025. This provides a six-month transition period for affected industries to comply with the updated requirements. * **Procedures:** Manufacturers and suppliers must ensure that their products meet the requirements of the new standards by the withdrawal date. This likely involves updating manufacturing processes, conducting necessary testing, and obtaining certifications to demonstrate compliance. **8. Expected Outcomes / Impact of Changes:** The intended outcomes of these revisions are likely: * Improved safety and performance of gas cylinders and valves. * Enhanced safety protocols for the handling and storage of liquefied chlorine gas. * Higher quality and more reliable fasteners. * Improved manufacturing practices for pressing heel guiding in large stamping and forming dies. * Reduced risk of accidents and failures in applications where these products are used. * Increased consumer confidence in the quality and safety of products that meet Indian Standards. **9. Conclusion:** The Bureau of Indian Standards notification of May 19, 2025, introduces important updates to Indian Standards for gas cylinders, compressed gases, fasteners and tools. These revisions aim to enhance safety, quality, and performance in these industries. Affected stakeholders must understand and comply with the updated standards to ensure the safety and reliability of their products. The six-month transition period allows adequate time for implementing the necessary changes. This update reinforces the BIS's commitment to maintaining relevant and effective standards for Indian industries.

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