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PFI ES-1
INTERNAL MACHINING AND SOLID MACHINED BACKING RINGS FOR CIRCUMFERENTIAL BUTT WELDS
Organization:
PFI - Pipe Fabrication Institute
Year: 2010
Abstract: This Standard covers the dimensioning of solid machined backing rings and the internal machining of seamless and welded piping components for use with these rings.
Piping components must be internally machined to a close tolerance to accept solid machined backing rings. For this reason, solid machined backing rings are not recommended for use with piping components with wall thickness less than 0.562" (14mm).
Piping components must be internally machined to a close tolerance to accept solid machined backing rings. For this reason, solid machined backing rings are not recommended for use with piping components with wall thickness less than 0.562" (14mm).
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| contributor author | PFI - Pipe Fabrication Institute | |
| date accessioned | 2017-09-04T18:17:48Z | |
| date available | 2017-09-04T18:17:48Z | |
| date copyright | 09/01/2010 | |
| date issued | 2010 | |
| identifier other | HPZFOEAAAAAAAAAA.pdf | |
| identifier uri | https://yse.yabesh.ir/std/handle/yse/200564 | |
| description abstract | This Standard covers the dimensioning of solid machined backing rings and the internal machining of seamless and welded piping components for use with these rings. Piping components must be internally machined to a close tolerance to accept solid machined backing rings. For this reason, solid machined backing rings are not recommended for use with piping components with wall thickness less than 0.562" (14mm). | |
| language | English | |
| title | PFI ES-1 | num |
| title | INTERNAL MACHINING AND SOLID MACHINED BACKING RINGS FOR CIRCUMFERENTIAL BUTT WELDS | en |
| type | standard | |
| page | 9 | |
| status | Active | |
| tree | PFI - Pipe Fabrication Institute:;2010 | |
| contenttype | fulltext |