Materials (modifies HG-401.2).

Materials for valves must be in accordance with HG-401.2 of Section IV of the ASME BPVC (incorporated by reference; see § 53.01-1) except that nonmetallic materials may be used only for gaskets and packing. [USCG-2003-16630, 73 FR 65164, Oct. 31, 2008]