In modern industrial applications, finding a gas storage solution that balances safety with durability is critical. Today, we are diving deep into a powerhouse in the high-pressure storage field: the 82L industrial gas cylinder certified to DOT-3AA standards.
💎 Core Specifications at a Glance
This cylinder is crafted from high-quality 4130X (30CrMo) seamless steel tubing. This material is renowned for its exceptional strength and toughness, ensuring maximum safety under demanding working conditions.

Physical Dimensions: A diameter of 279mm and a length of 1670mm, specifically designed for high-capacity storage.
Pressure Performance:
Working Pressure: 2495 psig (172 bar) 🏗️
Test Pressure: 4163 psig (287 bar) 🛡️
Weight: 100.6kg, featuring a solid build that guarantees a long service life.
🌟 Why Choose a DOT-3AA Certified Cylinder?
Compliance with the U.S. Department of Transportation (DOT) 3AA standard means this cylinder has passed rigorous material inspections and hydrostatic testing. Whether used for industrial gas supply, laboratory research, or specialized engineering projects, it delivers stable and reliable performance.
🔧 Applications & Advantages
With a steady working pressure of 172 bar, this cylinder is widely utilized in:

Industrial Welding & Cutting 🛠️
Specialty Gas Storage (such as Nitrogen, Argon, etc.)
High-Flow Gas Supply Systems
The seamless construction eliminates the risk of weld leaks, and when combined with the fatigue resistance of 4130X steel, it ensures total confidence during every refill.
Interested in more certificate details or looking for a bulk quote?
Feel free to contact our expert team anytime for professional consultation! 📩