MSS SP-79-2009
- Socket Welding Reducer Inserts, Includes Errata (2010)
- standard by Manufacturers Standardization Society, 11/01/2009
- Category: MSS
$45.00
$23.00
0 PURPOSE
To provide a Standard Practice establishing requirements for insert type fittings, which effectively, after weld installation, creates a socket welded reduced end fitting, such as TEE, 90 degree E11, Cross, 45 degree E11, Coupling, etc.
1. SCOPE
1.1 General This Standard Practice covers ratings, dimensions, tolerances, finish, marking and material requirements for socket welding reducer inserts for use with ASME B16.11, Class 3000 and 6000socket welding fittings. Dimensions for these reducer inserts are shown in Table 3.
1.1.1 Fitting Sizes/Pipe Correlation Fittings covered by this Standard Practice are shown inTable 1, by class, size range and correlation to the schedule number or wall designation of pipe for calculation of ratings.
1.1.2 Partial Compliance Fittings Fittings with special dimensions and fittings made from nonstandard materials may be designed and manufactured by agreement between the manufacturer and the purchaser, provided they are marked in accordance with the requirements for partial compliance fittings of Section 5.1.1 (e).
1.2 Service Conditions Criteria for selection of fitting type and materials suitable for particularfluid service are not within the scope of this Standard Practice.
1.3 Welding Except for the CAUTIONARY NOTE (Section 12) and the GAP RECOMMENDATIONS (Figure 1 and Figure 2), installation welding requirements are not within the scope of this Standard Practice. Installation welding shall be done in accordance with the applicable piping system into which the fittings are to be installed.
To provide a Standard Practice establishing requirements for insert type fittings, which effectively, after weld installation, creates a socket welded reduced end fitting, such as TEE, 90 degree E11, Cross, 45 degree E11, Coupling, etc.
1. SCOPE
1.1 General This Standard Practice covers ratings, dimensions, tolerances, finish, marking and material requirements for socket welding reducer inserts for use with ASME B16.11, Class 3000 and 6000socket welding fittings. Dimensions for these reducer inserts are shown in Table 3.
1.1.1 Fitting Sizes/Pipe Correlation Fittings covered by this Standard Practice are shown inTable 1, by class, size range and correlation to the schedule number or wall designation of pipe for calculation of ratings.
1.1.2 Partial Compliance Fittings Fittings with special dimensions and fittings made from nonstandard materials may be designed and manufactured by agreement between the manufacturer and the purchaser, provided they are marked in accordance with the requirements for partial compliance fittings of Section 5.1.1 (e).
1.2 Service Conditions Criteria for selection of fitting type and materials suitable for particularfluid service are not within the scope of this Standard Practice.
1.3 Welding Except for the CAUTIONARY NOTE (Section 12) and the GAP RECOMMENDATIONS (Figure 1 and Figure 2), installation welding requirements are not within the scope of this Standard Practice. Installation welding shall be done in accordance with the applicable piping system into which the fittings are to be installed.
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