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STN is a protected designation of Slovak national technical standards.
Piping. Seamless steel pipes for pipelines PN 40 to PN 250. Selection of dimensions for design
WITHDRAWN published on 1.1.1988
Selected format:Piping and fittings. Metal flanges. Connecting dimensions
WITHDRAWN published on 1.2.1984
Selected format:Piping and fittings. Metal flanges. Shapes and dimensions of the sealing surfaces
WITHDRAWN published on 1.2.1984
Selected format:Piping. Preparation of ends of pipeline details for welding
Standard published on 1.3.1990
Selected format:Piping and fittings. Bolt lengths for flange joints on piping
Standard published on 1.2.1989
Selected format:Piping and fittings. Bolt lengths for flange joints on piping
Change published on 1.5.2004
Selected format:Piping and fittings. Flanges and flange sockets. Flanges for PN 2. 5 to PN 250
Standard published on 1.5.1987
Selected format:Piping and fittings. Flanges and flange sockets. Flanges for PN 2. 5 to PN 250
Change published on 1.5.2004
Selected format:Piping and fittings. Flanges and flange sockets. Flange sockets for PN 2.5 to PN 250
Standard published on 1.5.1987
Selected format:Piping and fittings. Flanges and flange sockets. Flange sockets for PN 2.5 to PN 250
Change published on 1.4.2001
Selected format:Latest update: 2026-08-17 (Number of items: 2 297 400)
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