R
Term |
Related Form/Report (& everywhere else) |
Definitions |
Rev |
anywhere |
It is abbreviation of Revision number |
Rating |
FLANGES PRESSURE RATING in Line According to ASME / ANSI, flanges are manufactured in seven different pressure ratings (alternatively defined "pressure class"): 150, 300, 400, 600, 900, 1500 and 2500. Flanges with higher rating can withstand higher pressures than flanges with lower pressure ratings. The pressure rating defines the maximum pressure that a flange of a given class can withstand for any given temperature: as the temperature increases, the pressure rating of a given class flange decreases (the table below, for instance, shows that a carbon steel ANSI flange class 150 withstands up to 285 psi at <100 F°, 200 psi at 400 F° down to 20 psi at 1.000 F°).
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RealCompDate |
Everywhere |
Date (sometimes include time) of last change on each form.(same as Last Modify) |
Related P&ID No. |
The document number of P&ID (Piping & Instrumentation Diagram) which contains all information for piping line numbers and instrumentations and related equipments. |
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Related Doc No. |
It is a document number which is related to this structure. |
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Replied |
If the comments of document is replied, it can be filed up with status of reply. |
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