Compressed Gas Cylinder
DSW Industry offers high- and low-pressure compressed gas cylinders for a safe and reliable gas supply.
Science and engineering buildings, machine shops, retail stores, and campus dining regularly use compressed gas cylinders.
Researchers, staff, and contractors store and use various compressed gases for different reasons.
We store many compressed gases under extremely high pressures, up to 2,500 PSIG (pounds per square inch gauge).
Compressed Gas:
Compressed gas is a term used to describe compressed gases stored in cylinders.
Compressed gas pressure is much higher than that of the surrounding air.
Liquefied, non-liquefied, and dissolved are the three main compressed gas types.
A material in a container with an absolute pressure greater than 276 kilopascals (kPa), or 40 psi (pounds per
square inch) at 21 degrees Celsius or a total pressure greater than 717 kPa (104 psi) at 54 degrees Celsius, or both, or any liquid,
flammable material having a Reid vapour pressure greater than 276 kPa (40 psi) at 38 degrees Celsius
compressed air gas cylinder sizes
Features
Pressure Resistance: Industrial gases such as oxygen, nitrogen, argon, and carbon dioxide are often stored in compressed gas bottles. The pressure in these cylinders can range from 200 to 3000 psi (pounds per square inch) or approximately 14 to 207 bar.
Strength and Durability: Compressed gas cylinders are typically made from durable materials such as steel or aluminium alloy. These materials provide strength and structural integrity to withstand the forces exerted by the high-pressure gases.
Valve System: Each compressed gas cylinder is outfitted with a valve system that allows for controlled release or regulation of the gas flow.
Pressure Devices: Compressed gas bottles often include pressure relief devices, such as burst discs or valves, to prevent overpressurization. These safety mechanisms release excess pressure if it exceeds the maximum allowable limit.
Transportability: Compressed gas bottles are designed to be portable and easy to transport.
Gas Compatibility: Compressed gas cylinders are manufactured to be compatible with specific gases or gas mixtures.
Size Range: These sizes range from small portable bottles used for welding or medical applications to large cylinders used in industrial processes or gas distribution.
Compressed Gas Bottles, which can store compressed gas under pressure of 20 MPa or 25 MPa, are made of 4130X seamless steel tubes with ISO9809-1/ISO9809-3/EN/DOT approval.
These bottles are classified as explosive pressure vessels because they contain flammable and explosive gases.
The storage pressure for automotive cylinders is 20 MPa.
Industrial Applications
Compressed gas cylinders and compressed gas bottles are essential for delivering specialised gases across diverse industries. Their reliable, high-pressure supply supports a wide range of processes:
- Welding and Cutting: Oxygen, acetylene, and propane from compressed cylinders ensure precise welding and cutting performance.
- Metal Fabrication: Inert gases such as argon and nitrogen from compressed gas bottles create oxygen-free atmospheres for brazing, soldering, and heat treatment.
- Chemical Processing: Gases like hydrogen, nitrogen, and chlorine in compressed cylinders provide controlled environments for chemical reactions.
- Food and Beverage: Carbon dioxide and nitrogen in compressed gas bottles support carbonation, inerting, and modified-atmosphere packaging.
- Manufacturing: Compressed cylinders power pneumatic tools, glass blowing, and electronics production with high-purity gases.
- Calibration and Testing: High-purity gases in compressed cylinders ensure accurate instrument calibration and equipment testing.
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