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STN is a protected designation of Slovak national technical standards.
Industrial piping fittings. Cast-steel lift check valves with flanged ends, NP 16
WITHDRAWN published on 1.8.1969
Selected format:Industrial piping fittings. Straight-way cast-steel lift check valves with flanged ends, NP 25
WITHDRAWN published on 1.8.1969
Selected format:Industrial fittings. Straight-way cast-steel lift check valves with flanged ends, PN 40
WITHDRAWN published on 1.6.1986
Selected format:Anti-pollution check valves - DN 6 to DN 250 inclusive family E, type A, B, C and D
Standard published on 1.4.2005
Selected format:Industrial fittings. Flanged straight lift check valves with weld- on ends, PN 100, 160 and 250
WITHDRAWN published on 1.2.1983
Selected format:Industrial fittings. Ball valves. Technical delivery rules
Standard published on 1.1.1984
Selected format:Industrial valves - Copper alloy ball valves
Standard published on 1.1.2014
Selected format:Industrial valves - Copper alloy ball valves
WITHDRAWN published on 1.1.2009
Selected format:Industrial fittings. Plug valves PN 6, PN 10 and PN 16
WITHDRAWN published on 1.6.1990
Selected format:Manually operated ball valves and closed bottom taper plug valves for gas installations for buildings
Standard published on 1.1.2017
Selected format:Latest update: 2026-08-19 (Number of items: 2 298 207)
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