ASME B16.3-2006 Malleable Iron Threaded Fittings. Classes 150 and 300

An American National Standard. The American Society of Mechanical Engineers (ASME). Revision of ASME B16.3-1998. Date of Issuance: April 30, 2007. 46 р. This Standard covers malleable iron threaded fittings, Classes 150 and
300. It also contains provisions for using steel for caps and couplings in Class 150 for NPS 3⁄8 and smaller. This Standard includes
(a) pressure–temperature ratings
(b) size and method of designating openings of reducing fittings
(c) marking
(d) material
(e) dimensions and tolerances
(f) threading
(g) coatings.