标准名称：ASME B16.4-2006 灰铸铁螺纹管件 125和250磅级
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更新日期：2011年11月13日
内容简介
ASME B16.4-2006 灰铸铁螺纹管件 125和250磅级
ASME B16.4-2006
(Revision of ASME B16.4-1998)
Gray Iron
Threaded
Fittings
Classes 125 and 250
1 SCOPE
1.1 General
This Standard for gray iron threaded fittings, Classes
125 and 250, covers
(a) pressure–temperature ratings
(b) sizes and method of designating openings of
reducing fittings
(c) marking
(d) material
(e) dimensions and tolerances
(f) threading
(g) coatings
Mandatory Appendix I provides table values in U.S.
Customary units.
1.2 References
......
ASME B16.4-2006
(Revision of ASME B16.4-1998)
Gray Iron
Threaded
Fittings
Classes 125 and 250
1 SCOPE
1.1 General
This Standard for gray iron threaded fittings, Classes
125 and 250, covers
(a) pressure–temperature ratings
(b) sizes and method of designating openings of
reducing fittings
(c) marking
(d) material
(e) dimensions and tolerances
(f) threading
(g) coatings
Mandatory Appendix I provides table values in U.S.
Customary units.
1.2 References
......
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