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Document API RP 551 is offered by IHS as part of an online subscription. This subscription contains many documents on the same topic.
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API RP 551 Document Information:
Title
Process Measurement Instrumentation
American Petroleum Institute
Publication Date:
May 1, 1993
Scope:
1.1 Scope
The material in Sections 2-6 was previously presented in several
sections of Part 1 of API
Recommended Practice 550, which is now out of print:
a. Section 2 - API Recommended Practice 550, Part I, Section 1,
"Flow."
b. Section 3 - API Recommended Practice 550, Part I, Section 2,
"Level."
c. Section 4 - API Recommended Practice 550, Part I, Section 4,
"Pressure."
d. Section 5 - API Recommended Practice 550, Part I, Section 3,
"Temperature."
e. Section 6 - API Recommended Practice 550, Part I, Section 8,
"Seals, Purges, and Winterizing."
The procedures for installation of the instruments covered in this
recommended practice are based
on experience with and evaluation of many installations. They
represent the installation practices
that yield the most consistently accurate results and have proved to
be practical and safe.
Process and environmental protection is covered in a general fashion
in Section 6. Where required,
specific instances of process and environmental protection are covered
in Sections 2 - 5.
Tank gauging is outside the scope of Section 3. The applicable
publication is referenced in that
section.
Where appropriate, installation drawings, cautionary notes, and
explanations are included. Valves
and piping that are typically covered in piping standards have been
omitted from most installation
drawings.
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