Full Description

MSS SP-25-2018 marking system applies to the marking of new valves, fittings, flanges, and unionsused in piping connections that include (but are not limited to) flanged, soldered, brazed, threaded, orwelded joints.

The markings specified within this Standard Practice serve to identify the manufacturer, the ratingdesignation, materials of construction, and special service limitations imposed by the manufacturer. Theyare used for product identification and to assist in proper application.

Marking for remanufactured and refurbished valves, fittings, flanges, and unions is outside the scopeof this Standard Practice.

Product Details

Published: 09/01/2018 ANSI: ANSI Approved Number of Pages: 42 File Size: 1 file , 740 KB Redline File Size: 2 files , 7.4 MB