|
return to safety tip archive index
June 2002 — Cylinder Pressure Regulator Basics Many compressed gas cylinders are filled with pressure in excess of 2000 pounds per square inch and for some applications, much higher. Proper pressure regulator selection and use are essential to help avoid the hazards associated with high pressure and physical properties of the gases, themselves. Your welding supply distributor can recommend the regulator best suited for your application. Gas regulators are designed for use within specific pressure ranges and are fitted with components compatible with specific gases. Never attempt to adapt and use a regulator for a gas or at a pressure other than that for which it was designed. Prior to use, always check the label, inlet and outlet fittings, and pressure ranges of the high and low pressure gauges to ensure compatibility with the intended gas and pressure. Before installing a regulator, inspect your equipment and the cylinder valve for damage and cleanliness. DO NOT use equipment if you detect oil, grease, or damaged parts, or if the inlet filter is missing or dirty. Take it to a qualified repair station for cleaning or repair. Oil or grease can burn violently in the presence of oxygen. Most cylinder regulators are equipped with a connection that forms a metal-to-metal seal but some connections use washers. Do not tape the threads or use pipe dope or similar materials. Connect the regulator to the cylinder with the cylinder valve between you and the regulator, and the regulator perpendicular to your body so you are facing the side of the regulator. Before opening the cylinder valve, close the regulator by turning the regulator adjusting screw counterclockwise. Resistance of the regulator's diaphragm spring should no longer be felt. Always open cylinder valves slowly. Your manufacturer's operating manual is the best source of detailed information for safe usage and for ensuring a long service life of your pressure regulator.
Copyright
© 2000 Prest-O-Sales & Service, Inc.
|
