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STN is a protected designation of Slovak national technical standards.
Fittings for long distance oil and gas pipelines. Non-return valves. Types and basic parameters
Standard published on 1.11.1984
Selected format:Fittings for long distance oil and gas pipelines. Control flap valves. Types and basic parameters
Standard published on 1.11.1984
Selected format:Valves for natural gas transportation in pipelines - Performance requirements and tests
Standard published on 1.10.2013
Selected format:Valves for natural gas transportation in pipelines - Performance requirements and tests
WITHDRAWN published on 1.6.2004
Selected format:Building valves - Hydraulic safety groups - Tests and requirements
Standard published on 1.3.2015
Selected format:Building valves. Hydraulic safety groups. Tests and requirements
WITHDRAWN published on 1.10.2001
Selected format:Building valves. Hydraulic safety groups. Tests and requirements
WITHDRAWN published on 1.4.2005
Selected format:Building valves. Expansion groups. Tests and requirements
Standard published on 1.1.2022
Selected format:Building valves. Expansion groups. Tests and requirements
WITHDRAWN published on 1.10.2001
Selected format:Building valves. Expansion groups. Tests and requirements
WITHDRAWN published on 1.4.2005
Selected format:Latest update: 2026-08-19 (Number of items: 2 298 207)
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