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Introduction

IS 3196 (Part 1) specifies the requirements for welded low carbon steel cylinders that are used to store Liquefied Petroleum Gas (LPG) and are designed for low-pressure conditions. These cylinders are essential in various applications, from household use to industrial gas storage. The standard ensures that these cylinders are constructed to meet the highest safety standards, preventing accidents such as leaks, ruptures, and explosions. The BIS certification, represented by the ISI mark, assures consumers that the cylinders have undergone rigorous testing and are compliant with Indian standards for safety and reliability.

Why is BIS Certification Necessary for Welded Low Carbon Steel Cylinders for LPG?

BIS certification is essential for ensuring that welded low carbon steel cylinders used for LPG storage meet stringent safety and performance standards outlined in IS 3196 (Part 1). These cylinders must withstand various physical conditions, including exposure to external forces, internal pressure, and corrosion. Non-compliant cylinders could lead to dangerous situations such as gas leakage, which could result in fire or explosion. By obtaining BIS certification, manufacturers demonstrate their commitment to producing safe and durable products that protect consumers from these risks.

Overview of Indian Standard IS 3196 (Part 1)

Indian Standard IS 3196 (Part 1) specifies the requirements for welded low carbon steel cylinders used for storing liquefied petroleum gas (LPG). The standard ensures that these cylinders are made from corrosion-resistant low carbon steel, capable of withstanding the internal pressure of LPG. It mandates leak-resistant designs, safety features such as pressure relief valves, and proper sealing to ensure safe use during filling, transport, and storage. The cylinders must undergo rigorous testing, including pressure and leak tests, to assess their structural integrity and reliability. Additionally, the construction of the cylinders ensures their durability, enabling them to withstand long-term exposure to LPG and varying environmental conditions.

Process for BIS Certification

The BIS certification process for welded low carbon steel cylinders under IS 3196 (Part 1) involves the following steps:

Application Submission: Manufacturers submit an application along with detailed specifications of the product and manufacturing processes.

Document Review: BIS reviews the submitted documents to confirm compliance with the IS 3196 (Part 1) standards.

Factory Inspection: BIS conducts a thorough inspection of the manufacturing facility to verify quality control measures and adherence to production standards.

Sample Testing: Cylinders are tested in BIS-approved laboratories for compliance with safety, pressure, and performance specifications.

Certification Grant: Upon successful testing and inspection, BIS grants certification, allowing the cylinders to display the ISI mark, confirming compliance with IS 3196 (Part 1).

Documents Required for BIS Certification

Manufacturers applying for BIS certification for LPG cylinders must provide the following documents:

• Application form
• Detailed product specifications, including design and material details
• Manufacturing process and quality control documentation
• Test reports from BIS-approved laboratories
• Factory inspection report
• Proof of business registration
• Declaration of conformity to IS 3196 (Part 1) standards

These documents are essential to demonstrate the manufacturer’s commitment to safety and compliance with the standard.

BIS Documents For Domenstic and Foreign Manufacturer Check

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Conclusion

BIS certification for welded low carbon steel cylinders used for LPG storage under IS 3196 (Part 1) ensures that the cylinders meet the necessary safety standards to protect consumers. The certification process includes comprehensive testing and inspections to verify that the cylinders are safe for storing liquefied petroleum gas under low-pressure conditions. Manufacturers who obtain BIS certification can assure customers of the reliability, safety, and durability of their LPG cylinders. EVTL India offers expert consultancy services to guide manufacturers through the certification process, helping them ensure compliance with IS 3196 (Part 1) and achieve market readiness.