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API 628 and Plan 53B

API 628 and Plan 53B

(OP)
Hi

Quick question. What is "API 628"? Is "Plan 53B" a plan within API 628 or are they separate things?

Thanks

RE: API 628 and Plan 53B



API 682-
www.flowserve.com/files/Files/Literature/FSD/API68...
API 682 (ISO 21049) is the leading document for mechanical
seals in petrochemical, chemical, and pipeline services
worldwide. It has combined the aspects of seal design,
testing, standardization, and applications to provide the
users and OEMs alike with a common source of information
for mechanical seals. As seal technology has advanced, the
standard has expanded to incorporate new seal designs,
materials, seal selection guidance, and piping plans. Although
the standard is not yet published, the final draft has
been prepared and gives us notice of the upcoming requirements.
This tutorial will cover the major changes introduced
in the Fourth Edition.

Plan 53B is only one of the "Seal Plan options available.

Also see
http://shungtingxing.com/reservoir.html
and
https://www.google.com/#q=api+682

prognosis: Lead or Lag

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