Correctly hooking up a cylinder starts with taking the safety cap off. Never use a device to pry the cap off. Your hand should be a good enough tool. A regulator with a CGA Fitting should be permanently attached to the cylinder. The regulator controls the rate which the gas is sent from the cylinder. The CGA Fitting is designed specifically for certain types of gases. Never try to force a CGA to fit. You may be hooking up the wrong type of gas. The Cylinder might also have a Pressure Relief Device which will control the gas in the event of a fire. Toxic gases will not have a PRD because of specific hazards unique to this type of gas.
When the cylinder is hooked up, check the fittings with a diluted soap solution. The solution will show bubbles if there is a leak. A simple tightening with a wrench may fix the problem, but if you suspect a leak you should alert other workers, notify your supervisor and consult the gas's MSDS for more information. If the gas is flammable don't unplug equipment or turn off lights! This could cause a spark. If necessary, evacuate the area and follow your facilities emergency plan. If you need to enter the area of a leak, make sure you wear a respirator and have a back-up crew.
Handling compressed gas cylinders is a safe and easy job when the proper safety procedures are followed. Make sure you understand what gases are inside the cylinder, how to hook up the cylinder and how to store the cylinder. All employees who come in contact with compressed gas cylinders should be trained comprehensively in these areas.
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