M
Piping Related Abbreviations (M)
MAG
MAG is an abbreviation of Metal Active Gas welding
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MMA is an abbreviation of Manual Metal Arc welding
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MAOP is an abbreviation of Maximum Allowable Operating Pressure
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MAWP is an abbreviation of Maximum Allowable Working Pressure
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MIG is an abbreviation of Metal Inert Gas welding
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MOV is an abbreviation of Motor Operated Valve
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MPI is an abbreviation of Magnetic Particle Inspection
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MSS is an abbreviation of Manufacturers Standardization Society
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MTO is an abbreviation of Material Take-Off
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