The Advantages of API Piping Plan 03
The fourth edition of the American Petroleium Institute (API) Standard 682 was released in May 2014. The May edition includes several updates to reflect the changing design and application needs of mechanical seals. Annex G defines several new piing plans and associate auxiliary hardware.
Piping Plan 03 is defined as a dead-ended seal chamber with a tapered bore and no throat bushing. Tapered bore seal chambers are well-established in m any industries. These designs have significant performance differences from traditional, closed-throat cylindrical bore seal chambers, which are defined spearately in Piping plan 02.
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