Flaps, weathertight - Part 2: Main frame and covers made of steel
Edition 2017-06

Flaps, weathertight - Part 3: Frame and covers made of aluminium
Edition 2017-06

Ventilator flaps, weathertight
Edition 2018-02

Inserts for ventilator flaps - Made of steel and aluminium
Edition 2018-02

Technical specifications for valves for shipboard use - Part 3: Butterfly valves
Edition 2011-02

Cast steel welding elbows for storm valves - DN 50 to DN 150, flangeconnecting dimensions according to PN 10
Edition 2014-02

Ships and marine technology - Butterfly valves for flanges extra light duty wafer type and flanged type - DN 50 to DN 125, PN 10
Edition 2021-07

Non-return flaps (storm valves), self-closing, vertical type, DN 50 up to DN 150, PN 1 - Mating dimensions for flanges according to PN 10
Edition 2003-10

Industrial valves - Metallic butterfly valves; German and English version prEN 593:2019
Edition 2019-12

Industrial valves - Metallic butterfly valves for general purposes; German version EN 593:2017
Edition 2018-01