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MSS SP 79

Socket Welding Reducer Inserts

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Organization: MSS
Publication Date: 1 January 2018
Status: active
Page Count: 18
scope:

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 6000 socket-welding fittings. U.S. customary unit dimensions for these reducer inserts are shown in Table 3 and SI (metric) dimensions are shown in Table 3M.

Fitting Sizes/Pipe Correlation Fittings covered by this Standard Practice are shown in Table 1, by class, size range and correlation to the schedule number or wall designation of pipe for calculation of ratings.

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).

Welding Installation welding requirements are not within the scope of this Standard Practice, except for:

(1) The CAUTIONARY NOTE REGARDING INSTALLATION OF SOCKET-WELDED JOINTS (see Section 12)

(2) The WELDING GAP AND MINIMUM SOCKET WALL THICKNESS (see Figure 1)

(3) The GAP RECOMMENDATIONS (see Figure 2). Installation welding shall be done in accordance with the applicable piping system into which the fittings are to be installed.

Document History

MSS SP 79
January 1, 2018
Socket Welding Reducer Inserts
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 6000...
August 7, 2012
Socket Welding Reducer Inserts
A description is not available for this item.
January 1, 2011
Socket Welding Reducer Inserts
This document establishes a Standard Practice for Socket Welding Reducer Inserts produced for a number of years by various manufacturers to varying dimensions although basically similar in principle....
January 1, 2009
Socket Welding Reducer Inserts
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 6000...
January 1, 2009
Socket Welding Reducer Inserts
This document establishes a Standard Practice for Socket Welding Reducer Inserts produced for a number of years by various manufacturers to varying dimensions although basically similar in principle....
January 1, 2004
Socket Welding Reducer Inserts
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 6000...
January 1, 1999
Socket Welding Reducer Inserts
A description is not available for this item.
January 1, 1992
Socket-Welding Reducer Inserts
A description is not available for this item.
January 1, 1980
SOCKET-WELDING REDUCER INSERTS
This Standard covers dimensions, finish, tolerances, marking, material for carbon steel and alloy steel Socket-Welding Reducer Inserts for use with Socket-Welding Fittings listed in ANSI B16.11....
January 1, 1974
SOCKET-WELDING REDUCER INSERTS
This Standard covers dimensions, finish, tolerances, marking, material for carbon steel and alloy steel Socket-Welding Reducer Inserts for use with Socket-Welding Fittings listed in ANSI B16.11...

References

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