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Storage • Store only the amount of Figure 2: The Correct Way to Safely Take the following precautions to compressed gas required for the Check a System prevent injuries caused by asphyxia- specific application. tion, fire, explosion, high pressure, and . Store cylinders away from heavily improper handling of compressed gas traveled areas and emergency exits. cylinders. NEVER Provide adequate access for i cylinder handling. • Allow storage temperature to exceed 1257 (52"C). Visually inspect stored cylinders on I \ • Permit smoking or open flames a routinebasis, or at least weekly, for any indication of leakage or II in oxidizer or flammable gas problems. storage areas. ) • Restrict access to cylinder storage Use cylinder color as a primary • Expose cylinders to corrosive areas. means to identify the contents ofa materials such as ice melting cylinder. ( compounds. Protect cylinders from wet or damp • Heat a cylinder to increase its ALWAYS ground pressure or withdrawal rate unless • Store cylinders in accordance with using an approved method. See ISO Standard 11625 or CGA Proper use of compressed Afrproducts' Safetygram-30, Pamphlet P-1, gases "Handling of Liquefied Compressed • Store cylinders uprightwith valve Take the following precautions to pre- Gases." vent injuries caused by the improper outlet seals and valve protection Discharge the contents from any caps in lace. See Air Products' use of compressed gases. p p gas cylinder directly toward any Safetygram-14, "Dont Turn NEVER person. Cylinder Into a Rocket.. Attempt to mix gases in a cylinder. • Refill any nonrefillable cylinder • Secure cylinders when in storage ,*.. Insert an object (e.g., wrench, screw after use of the original contents. transit, or use. driver, etc.) into valve cap openings tForce cylindervalve connections o remove a stuck cylinder cap. • Store cylinders in areas designated Doing so may damage or open the that do not fit, fqr that purpose. valve, causing a leak to occur. Use • Reduce the residual pressure of a • Segregate full and empty cylinders. an adjustable strap wrench to cylinder below the operating remove over-tight or rusted caps. pressure of the system or 7 psig • Store cylinders in a dry, cool, well- ventilated, secure area protected Allow any part of a cylinder to be (0.5 bar), whichever is higher. from the weather and away from exposed to temperatures exceeding Change service of equipment from ( combustible materials. 125"F (520C)o the particular gas or group of gases • Ensure that there is adequate Permit cylinders to become part of forwhich they were intended. separation from combustibles as an electrical circuit Use a mechanical adapterto specified by nationalregulations. Use oxygen as a substitute for connect to the cylindervalve. • Monitor the atmosphere in areas compressed air. where gases may vent and collect. Strike an arc on a cylinder. • Use a first-in, first-out (FIFO) . Return product into a cylinder. inventory systemto prevent full containers from being stored for • introduce another product into a long periods of time, cylinder. f )