Transcription of Gas Valve Failure Analysis* - ROBERTS ENGINEERING
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Gas Valve Failure Analysis* - ROBERTS ENGINEERING
Gas Valve Failure Analysis*. By Charles C. ROBERTS , Jr., , *. Reprinted from Claims Magazine . Gas valves are installed in many appliances such as dryers, water heaters, furnaces, and in- dustrial machinery. The purpose of the gas Valve is to reduce the gas line pressure to a level required by the using appliance. The gas Valve also acts as a safety device to shut off the gas automatically in case of flame Failure . Modern gas valves incorporate pressure regula- tion for reliable burner operation. A diaphragm connected to a Valve controls gas flow and pressure. A thermocouple senses heat from a pilot flame and generates a current that holds Figure 2.
Title: É QpÁ¯ éb ï1B}Ú Y ;wfØb Ѿ T¬W ´cÚbRÖ >ïá >yjüÀk ÔâwÁ?Ù2p Author: É Q{ì¯2 Created Date: 1/4/2012 4:33:37 PM
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