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GAS GROUP IDENTIFICATION FOR HAZARDOUS AREA CLASSIFICATION

Question asked by mayankch60r34 on Apr 4, 2018

In Hazardous Area Classification, can we know the gas group of any specific component which is not available in NFPA 497 and IEC 60079-20. As per API 505 and NFPA 497, the range for MESG and MIC ratio are provided to categories into respected Gas Group, but how to get MESG and MIC ratio value. Can anybody suggest any standard/documents where I get MESG and MIC ratio value of component which is available apart from NFPA 497 and IEC 60079-20 Standard. 

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