DIN 3441-1:1989DIN 3442-1:1987DIN EN ISO 16137:2004
DIN EN ISO 16137:2006 Referenced Document
ISO 228-1:2000 Pipe threads where pressure-tight joints are not made on the threads - Part 1: Dimensions, tolerances and designation
ISO 7-1:1994 Pipe threads where pressure-tight joints are made on the threads - Part 1: Dimensions, tolerances and designation
ISO 8659:1989 Thermoplastics valves; fatigue strength; test method
ISO 898-1:1999 Mechanical properties of fasteners made of carbon steel and alloy steel - Part 1: Bolts, screws and studs
ISO 9393-2:2005 Thermoplastics valves for industrial applications - Pressure test methods and requirements - Part 2: Test conditions and basic requirements
DIN EN ISO 16137:2006 history
2019DIN EN ISO 16137:2019-12 Industrial valves - Check valves of thermoplastics materials (ISO 16137:2006 + Amd 1:2019); German version EN ISO 16137:2006 + A1:2019
2019DIN EN ISO 16137:2019 Industrial valves - Check valves of thermoplastics materials (ISO 16137:2006 + Amd 1:2019) (includes Amendment :2019)
2008DIN EN ISO 16137 Berichtigung 1:2008 Industrial valves - Check valves of thermoplastics materials (ISO 16137:2006); German version EN ISO 16137:2006, Corrigenda to DIN EN ISO 16137:2006-06
2006DIN EN ISO 16137:2006 Industrial valves - Check valves of thermoplastics materials (ISO 16137:2006); English version of DIN EN ISO 16137:2006-06