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Category Archives: Instrument Designer

Instrument Drawing in Modification Project

If you want to add a new pressure transmitter in existing plant, what existing instrument drawings are affected during design phase? Instrument layout drawing shall be revised to include new pressure transmitter. Instrument Cable Layout shall be revised to show … Read More

Instrument Designer |

How to determine the thickness of tubing for specific application?

Manufacturer publishes the maximum allowable working pressure information for each thickness of the specified tubing size and material. If we have determined to use a specific material then we shall check that the thickness stated in the catalog to withstand … Read More

Instrument Designer |

Instrument Impluse Line

In instrument hook-up drawing, what is the the main differences between instrument installation for gas service line and for liquid service line, especially for instrument which requires impulse line? Instrument such as pressure transmitter, DP flow transmitter requires tubing as … Read More

Instrument Designer |
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