Sampling procedures for inspection by attributes - Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection (ISO 2859-1:1999 + Cor. 1:2001 + Amd.1:2011); Text in German and English— 195 стр.
Industrial valves - Testing of metallic valves - Part 1: Pressure tests, test procedures and acceptance criteria - Mandatory requirements; German version EN 12266-1:2012— 19 стр.
Industrial valves - Testing of metallic valves - Part 2: Tests, test procedures and acceptance criteria - Supplementary requirements; German version EN 12266-2:2012— 19 стр.