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Identification
All gaseous chemical cylinders are legibly and durably labelled at the valve end of the cylinder.
Secondary Aid to Identification
Cylinder shoulder colour - European standard colour coding.
The colour applied to the shoulder, or curved part at the top of the cylinder, signifies the European standard colour coding for the gas hazard as follows:
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Inert GasLight Green | Flammable Red | Oxidising Light Blue | Toxic Yellow
A number of gases have been assigned a specific colour as per below
Acetylene: Maroon | Argon: Dark Green | Carbon Dioxide: Grey
Helium: Brown | Nitrogen: Black | Oxygen: White
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General
Ascertain the identity of the gas or gas mixture before using it.
Know and understand the properties and hazards associated with each gas or gas mixture before using it. These can be obtained from the Safety Data Sheet (SDS).
Handling and Use
Wear stout gloves.
Inspect cylinders for evidence of damage. Damaged cylinders or cylinders with damaged valves must not be used.
Do not remove valve protection guards from the cylinder. Wear suitable eye and face protection.
For toxic gases see that self-contained positive pressure breathing apparatus or a full face air line respirator is available in the vicinity of the working area.
Valves and Outlet Connection
Responsibility rests with the user for understanding and ensuring correct usage of the cylinder valve. Never oil a valve stem if it is stiff. Never permit oil, grease or other combustible substances to come into contact with valves of cylinders containing oxygen or other oxidants.
Keep cylinder valve outlets clean and free from contaminants, particularly oil and water.
Do not subject cylinders to abnormal mechanical shocks which may cause damage to their valves or safety devices.
Never attempt to repair or modify cylinder valves or safety relief devices. Damaged valves should be reported immediately to EasyGas.
Close the cylinder valve whenever gas is not required, even if the cylinder is still connected to equipment.
Storage
Cylinders should be stored in a well ventilated area. Some gases and gas mixtures will require a purpose built area.
Store cylinders in a location free from fire risk and away from sources of heat and ignition. Designate as a 'No Smoking' area.