The Static and Mobile Pressure Vessels (Unfired) Amendment Rules, 2025

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Dated: 05.08.2025

The Static and Mobile Pressure Vessels (Unfired) Amendment Rules, 2025

The Ministry of Commerce and Industry, through its Department for Promotion of Industry and Internal Trade, has introduced significant amendments to the Static and Mobile Pressure Vessels (Unfired) Rules, 2016. These changes, notified on June 5, 2025, aim to address the evolving needs of industries, particularly in the context of hydrogen storage, transportation, and dispensing. Here’s a detailed overview of the amendments and their implications.

Key Highlights of the Amendments

1. Introduction of Hydrogen-Specific Definitions

The amendments introduce several new definitions related to hydrogen systems, including:

Bulk Hydrogen Compressed Gas System: Systems with storage exceeding 5000 standard cubic feet.
Bulk Liquefied Hydrogen System: Systems with storage capacity between 1000 and 283,906 liters.
Green Hydrogen: Hydrogen produced using renewable energy with minimal CO2 emissions.
Hydrogen Generation System: Systems like electrolyzers or reformers designed for hydrogen production.

These definitions provide clarity and set the foundation for regulating hydrogen-related infrastructure.

2. Extended License Validity 

The validity of licenses for pressure vessels has been extended from five years to ten years. This change reduces administrative burdens and provides longer operational stability for businesses.

3. Online Submission of Documents 

To streamline processes, all required documents and drawings for transactions or licenses must now be submitted online. This move enhances efficiency and transparency.

4. Specific Provisions for Hydrogen Storage and Dispensing 

The amendments introduce detailed guidelines for:

Storage Installations: Safety distances, design requirements, and structural integrity for hydrogen storage vessels.
Dispensing Stations: Requirements for hydrogen refueling stations, including emergency shutdown systems, safety distances, and equipment standards.
Boil-Off Gas Management: Measures to minimize hydrogen venting and optimize storage capacity.

5. Enhanced Safety Measures 

The rules emphasize safety through:

Emergency Shutdown Systems (ESD): Fail-safe designs to isolate hydrogen sources during emergencies.
Fire Protection Facilities: Mandatory fire extinguishers, sprinkler systems, and hydrogen leak detectors.
Personal Protective Equipment (PPE): Operators must use goggles, gloves, aprons, and safety shoes.

6. Provisions for Road Transportation 

The amendments outline stringent requirements for the design, structural integrity, and safety of hydrogen transport vessels. These include:

Pressure Relief Devices: To prevent over-pressurization.
Accident Damage Protection: Measures to safeguard valves and fittings during collisions.
Rear-End Protection: Enhanced safety features for transport vehicles.

7. Support for Women Entrepreneurs, Startups, and MSMEs 

The amendments provide fee concessions for women entrepreneurs, startups, and micro and small enterprises. This initiative encourages participation from diverse groups in the hydrogen economy.

Implications for the Industry

The amendments reflect India’s commitment to fostering a hydrogen-based economy while ensuring safety and efficiency. By introducing comprehensive guidelines for hydrogen storage, transportation, and dispensing, the government is paving the way for the adoption of clean energy solutions.

Conclusion

The Static and Mobile Pressure Vessels (Unfired) (Amendment) Rules, 2025, mark a significant step forward in regulating hydrogen infrastructure. These changes not only address safety and operational concerns but also support innovation and inclusivity in the industry. As India moves towards a sustainable future, these rules will play a crucial role in shaping the hydrogen economy.

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Source: DPIIT

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