Standard [CURRENT]
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This International Standard This document specifies mandatory and optional markings for automatic steam traps. This document (EN ISO 6553:2017) has been prepared by Technical Committee ISO/TC 153 "Valves" in collaboration with Technical Committee CEN/TC 69 "Industrial valves" the secretariat of which is held by AFNOR. This standard has been prepared by Working Committee NA 003-01-11 AA "Armaturen für die Prozessindustrie" ("Valves for the process industry") at DIN Standards Committee Valves (NAA).
This document replaces DIN ISO 6553:1981-12 .