INDUSTRIAL GAS CYLINDER COLOUR IDENTIFICATION Air Based Gases Laser Gases Class Diamonds Compressed Air Oxygen 2.5 Nitrogen 3.0 Lascut - O Helium 4.6 Nitrogen 4.0 Dome: Black Shoulder: Black Body: Pewter The gas contents of Coregas cylinders are identified by the labels affixed to the shoulder of the cylinders. A cylinder without a label should not be used, but should be returned to the supplier. An important part of the label is the class diamond, which represents the characteristic of the gas, as illustrated. A label with multiple class diamonds indicates multiple associated hazards. Dome: Black Shoulder: Black Body: Black Dome: Pewter Shoulder: Pewter Body: Pewter Dome: Black Shoulder: Black Body: Black Dome: Brown Shoulder: Brown Body: Brown Laser Gases (cont.) Nitrogen 5.0 Helium 5.0 Carbon Dioxide 4.5 Laspur 101 Laspur 110, 144, 207, 216, 606 Laspur 206, 219, 259, 296 Dome: Pewter Shoulder: Pewter Body: Pewter Dome: Brown Shoulder: Brown Body: Brown Dome: Green grey Shoulder: Green grey Body: Green grey Dome: Black Shoulder: Black Body: Pewter Dome: Pewter Shoulder: Green grey Body: Brown Dome: Pewter Shoulder: Green grey Body: Brown Dome: Pewter Shoulder: Pewter Body: Pewter Shielding Gases Shielding Gases (cont.) Fuel Gases Shielding Gases (cont.) Nitrous Oxide Argon 4.2 Shieldpro He 25, He 50 Acetylene Carbon Dioxide 2.5 Shieldpro 32 Hydrogen 4.0 Coregas 07 Shieldpro 21 LPG (Vapour) Coregas 5/2 Shieldpro 33 LPG (DT) Nitrous Oxide Coregas 10, 18, 25 Coregas He 30 Shieldpro 30, 31 Coregas 16/3 Shieldpro 22, 26, 27 Shieldpro He 75 Shieldpro 23 Shieldpro 20 Dome: Peacock blue Shoulder: Peacock blue Body: Peacock blue Dome: Brown Shoulder: Brown Body: Peacock blue Dome: Claret Shoulder: Claret Body: Claret Dome: Green grey Shoulder: Green grey Body: Green grey Dome: Peacock blue Shoulder: Green grey Body: Brown Dome: Signal red Shoulder: Signal red Body: Signal red Dome: Black Shoulder: Black Body: Peacock blue Dome: Silver Shoulder: Silver Body: Silver Dome: Green grey Shoulder: Black Body: Peacock blue Dome: Brown Shoulder: Black Body: Peacock blue Dome: Royal blue Shoulder: Royal blue Body: Silver Dome: Ultramarine Shoulder: Ultramarine Body: Ultramarine Note: Designated cylinder colours comply with AS4484-2004 Dome: Green grey Shoulder: Green grey Body: Peacock blue Dome: Brown Shoulder: Green grey Body: Peacock blue Dome: Green grey Shoulder: Black Body: Peacock blue Dome: Signal red Shoulder: Signal red Body: Peacock blue Dome: Peacock blue Shoulder: Peacock blue Body: Brown Dome: Pewter Shoulder: Pewter Body: Peacock blue Dome: Green grey Shoulder: Green grey Body: Peacock blue Phone: 1800 807 203 Email: [email protected] www.coregas.com Class 2.2 Non-Flammable, Non-Toxic Gas Green / Black lettering Class 2.1 Flammable Gas Red / Black lettering Class 2.3 Toxic Gas White / Black lettering Class 2.2 / 5.1 Oxidising Gas Yellow / Black lettering