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STN is a protected designation of Slovak national technical standards.
Piping and fittings. Rings for PN 10 to PN 100
WITHDRAWN published on 1.11.1986
Selected format:Joints for the connection of steel tubes and fittings for the conveyance of water and other aqueous liquids
Standard published on 1.12.2005
Selected format:Flanged piping joints. Loose flanges and weld-on angular collars for NP 6
WITHDRAWN published on 1.9.1964
Selected format:Flanges and their joint - Circular flanges for pipes, valves, fittings and accessories, Class designated - Part 1: Steel flanges, NPS 1/2 to 24
Standard published on 1.5.2005
Selected format:Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, Class designated - Part 3: Copper alloy flanges
Standard published on 1.5.2004
Selected format:Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, Class designated - Part 3: Copper alloy flanges
Correction published on 1.6.2006
Selected format:Flanges and their joint - Circular flanges for pipes, valves, fittings and accessories, class designated - Part 4: Aluminium alloy flanges
Standard published on 1.5.2004
Selected format:Flanged piping joints. Grey cast iron oval flanged branches, NP 6
Standard published on 1.6.1965
Selected format:Flanged piping joints. Grey cast iron oval flanged branches, NP 16
Standard published on 1.6.1965
Selected format:Flanged piping joints. Steel cast oval flanged branches, NP 6
Standard published on 1.6.1965
Selected format:Latest update: 2026-06-12 (Number of items: 2 281 969)
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