View all text of Subpart 53.05 [§ 53.05-1 - § 53.05-5]
§ 53.05-3 - 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.