IS 3196 (Part 2)
Welded low carbon steel gas cylinder exceeding 5-litre water capacity for low pressure liquefiable gases Part 2 Cylinders for liquefiable gases other than LPG.
Summry
These are welded low carbon steel gas cylinders designed to store low-pressure liquefiable gases (excluding LPG) with water capacity above 5 litres. They are engineered for safety, durability, and controlled pressure, used in industrial, laboratory, and medical applications. The cylinders comply with mechanical, chemical, and design standards to prevent leaks or rupture.
Why BIS Certificate is Mandatory for Welded Low Carbon Steel Gas Cylinders Exceeding 5-Litre Water Capacity for Low Pressure Liquefiable Gases — Part 2: Cylinders for Liquefiable Gases Other Than LPG?
BIS certification is mandatory to ensure these cylinders meet safety, quality, and performance standards as per Indian regulations. Non-certified cylinders may fail under pressure, causing accidents, leaks, or explosions. BIS certification protects users, manufacturers, and industries by enforcing compliance with chemical composition, weld quality, pressure rating, and leak-proof requirements.
What is BIS Certified for Welded Low Carbon Steel Gas Cylinders Exceeding 5-Litre Water Capacity for Low Pressure Liquefiable Gases — Part 2: Cylinders for Liquefiable Gases Other Than LPG?
The BIS certificate for these cylinders is issued under IS 3195 (Part 2), confirming compliance with Indian Standards for design, materials, welding, testing, and marking. It ensures the cylinder is safe, durable, and leak-proof for low-pressure liquefiable gases, providing legal authorization for manufacturing, sale, and import in India.
Test required For Welded Low Carbon Steel Gas Cylinders Exceeding 5-Litre Water Capacity for Low Pressure Liquefiable Gases — Part 2: Cylinders for Liquefiable Gases Other Than LPG
| Title | Mandatory/Optional |
|---|---|
| Design and Drawing | -- |
Material
| Title | Mandatory/Optional |
|---|---|
| Material for cylinder shell | Optional |
| Bung/ Valve pad | Optional |
| Backing strip, if provided | Optional |
| Foot ring/ Stout metal cap shroud/ Stay plate | Optional |
| Protective ring | Optional |
| Valves | Optional |
| Grit | Optional |
Welding/ Manufacture/ Inspection
| Title | Mandatory/Optional |
|---|---|
| Pressings/ Halves/ Cylinder shell | Required |
| Blanking or circle cutting, deep drawing, Bung Hole Punching | Required |
| Welding of Cylinder and attachments/ fittings | Required |
| Heat Treatment | Required |
| Required | Optional |
| Checking of Water Capacity | Required |
| Hydrostatic test | Required |
| Valve fixing and Pneumatic leakage test | Required |
| Fatigue Testing/ Cycle testing | Required |
| Burst Test Under Hydraulic Pressure | Required |
| Acceptance Test (Mechanical Tests) | Required |
| Painting & Finishing (a) Metalizing coating thickness and appearance | Required |
| Primer coating | Required |
| painting | Required |
| Internal cleaning | Required |
| Bung thread checking | Required |
| Tare weight | Required |
| Test for Handle or other suitable arrangement | Required |
| Additional Test (Cylinder body integrity impact test and drop test) | Required |
| Colour Identification | Required |
| Marking | -- |
Benefits of BIS Certification for Welded Low Carbon Steel Gas Cylinders Exceeding 5-Litre Water Capacity for Low Pressure Liquefiable Gases — Part 2: Cylinders for Liquefiable Gases Other Than LPG
1. Safety Assurance Certified cylinders undergo rigorous testing for pressure, leak-proofness, and mechanical integrity, ensuring safe storage and transport of liquefiable gases.
2. Quality Compliance BIS certification guarantees the use of low carbon steel with proper welding and design, maintaining durability and preventing failure.
3. Legal Market Access Certification is mandatory for selling and importing these cylinders in India, preventing regulatory penalties and market rejection.
4. Consumer and Industrial Confidence Users and industries can trust BIS-certified cylinders for safe handling and operational reliability, reducing accident risks.
5. Standardization and Reliability BIS-certified cylinders follow uniform standards for design, dimensions, and testing, ensuring consistency across manufacturers and making maintenance, replacement, and inspection easier.