ASTM F 681 : 1982 : R2008
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Standard Practice for Use of Branch Connections
Hardcopy , PDF
11-11-2014
English
01-11-2008
Important note : Users cannot be edited or removed once added to your Multi user PDF.CONTAINED IN VOL. 01.07, 2018 Defines connections for carbon steel, chromium molybdenum steel pipe and copper nickel alloy tubing.
| Committee |
F 25
|
| DocumentType |
Standard Practice
|
| Pages |
5
|
| ProductNote |
Reconfirmed 2008
|
| PublisherName |
American Society for Testing and Materials
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
1.1 This practice lists commonly used types of branch connections for carbon steel, chromium-molybdenum steel pipe and copper-nickel alloy tubing. Branch to run size applications are given in Table 1, Table 2, and Table 3. Other types of branch connections (Fig. 1) may be used provided they comply with the requirements of Title 46 CFR Subparts 56.07-10(f) and 56.70-15(g) of the USCG Regulations.
TABLE 1 Branch Connection Matrix for Carbon Steel Piping
LEGEND (see Fig. 1)
| 1 = Tee or lateral (butt weld) | |
| 2 = Tee or lateral (socket weld or threaded) | |
| 3 = Welded outlet (butt weld end) | |
| 4 = Welded outlet (socket weld or threaded end) | |
| 5 = Fabricated joint (cut-in branch) | |
 | |
TABLE 2 Branch Connection Matrix for Chrome Moly Piping
LEGEND (see Fig. 1)
| 1 = Tee or lateral (butt weld) | |
| 2 = Tee or lateral (socket weld) | |
| 3 = Welded outlet (butt weld end) | |
| 4 = Welded outlet (socket weld end) | |
| 5 = Fabricated joint (cut-in branch) | |
 | |
TABLE 3 Branch Connection Matrix for Copper Nickel Piping
LEGEND (see Fig. 1)
| 1 = Tee or lateral (butt weld) | |
| 2 = Tee or lateral (silver brazed) | |
| 3 = Welded outlet (butt weld end) | |
| 4 = Welded outlet (silver brazed end) | |
| 5 = Fabricated joint (cut-in branch) | |
| 6 = Silver brazed outlet (silver brazed end) | |
 | |
FIG. 1 Illustrative Legend for Branch Connections
| CFR 46(PTS41-69) : OCT 2017 | SHIPPING - COAST GUARD, DEPARTMENT OF TRANSPORTATION |
| ASME B31.1 : 2016 | POWER PIPING |
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