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api 551 process measurement instrumentation

api 551 process measurement instrumentation

api 551 process measurement instrumentation

(OP)
dear all,

I am reading this standard.I have a question on that.in sec 2.2.2 the third and last sentense are not clear for me please help me by clearifying their meaning.


Thanks in advance,
Masoud

RE: api 551 process measurement instrumentation

(OP)
In sec 2.2.3 rolling platforms are refered has anybody such practise, i am mean has an example of this application?

RE: api 551 process measurement instrumentation

(OP)
Another quesion,
Refer to sec 2.2.7 what are typical applications for purged impulse lines in oil and gas treatment facilities?

RE: api 551 process measurement instrumentation

(OP)
According to this standard there are six more known primary elements for head type flow instruments. As l saw mostly orifice plates are used in this regard. I want to know about others usage situations esp in oil and gas facillities.

RE: api 551 process measurement instrumentation

Hi Masoud
API551 section flow: sec 2.2.7
In O&G plants, impulse lines (orifice, vcone with diffentiel pressure), on upstream side of separator are often full of slurries. I saw it many times during each shutdown period when we removed instruments for maintenance.
regards

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