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  1. imctmga

    X-ray examination scope

    Hi samuelo, May be because the fluid is hazardous, i think that a inspection of 100% radiography in welds can be with some product like H2S e.g. Usually in refineries the lines with H2S are made in carbon steel with TT, so you must radiography all the welds before (or not is your problem) TT...
  2. imctmga

    Please, information about electrical installation zone II

    Hi, We are working in a offshore project, we have a control room with a HVAC unit, this is in zone II. The HVAC unit is certificated and other equipment in the room is too. We have some gas detector in the ducts of the HVAC and into the room, so if the HVAC unit fault or if the gas leak is >...
  3. imctmga

    Socket Weld vs Butt Weld

    Hi metengr, Yes, there are some difference between butt and socket. There more cost in butt weld than in socket, usually the welder is more expensive for butt weld and the inspection too. The END are more demanding for butt than socket, for example you may need to do a 10% of RX in buttweld...
  4. imctmga

    Circuit Control

    Hi, I´m working in the design of several cabins for a offshore, I can calculate all the electric loads but I want use a control circuit and I don´t be sure if I can do it with low voltage (12, 24V) or if I must use 240 V. Thanks.
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