There’s a new ASME B16.5 2013 Edition, “Pipe Flanges and Flanged Fittings: NPS 1/2 through NPS 24 Metric/Inch Standard.” You can order it now from Document Center Inc. The new revision covers pressure-temperature ratings, materials, dimensions, tolerances, marking, testing, and methods of designating openings for pipe flanges and flanged fittings.
ASME B16.5 is limited to flanges and flanged fittings made from cast or forged materials, and blind flanges and certain reducing flanges made from cast, forged, or plate materials. Also included in this Standard are requirements and recommendations regarding flange bolting, flange gaskets, and flange joints.
Included are:
- flanges with rating class designations 150, 300, 400, 600, 900, and 1500 in sizes NPS 1/2 through NPS 24 and flanges with rating class designation 2500 in sizes NPS 1/2 through NPS 12, with requirements given in both metric and U.S. Customary units with diameter of bolts and flange bolt holes expressed in inch units;
- flanged fittings with rating class designation 150 and 300 in sizes NPS 1/2 through NPS 24, with requirements given in both metric and U.S. Customary units with diameter of bolts and flange bolt holes expressed in inch units; and
- flanged fittings with rating class designation 400, 600, 900, and 1500 in sizes NPS 1/2 through NPS 24 and flanged fittings with rating class designation 2500 in sizes NPS 1/2 through NPS 12 that are acknowledged in Non-Mandatory Appendix E (with U.S. Customary units only.)
Document Center Inc. has been a reseller of the ASME standards since the 1980’s. You can purchase all current ASME standards and many obsolete editions at our webstore, www.document-center.com. Or contact us by phone (650-591-7600), fax (650-591-7617) and email (info@document-center.com). We’re here to assist you with all your standards requirements.
