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STN is a protected designation of Slovak national technical standards.
Valves for water supply. Fitness for purpose requirements and appropriate verification tests. Part 4: Air valves
Standard published on 1.12.2002
Selected format:Valves for water supply. Fitness purpose requirements and appropriate verification tests. Part 5: Control valves
Standard published on 1.12.2002
Selected format:Valves for water supply - Fitness for purpose requirements and appropriate verification tests - Part 6: Hydrants
Standard published on 1.9.2009
Selected format:Valves for water supply. Fitness for purpose requirements and appropriate verification tests. Part 4: Air valves
WITHDRAWN published on 1.10.2001
Selected format:Valves for water supply. Fitness for purpose requirements and appropriate verification tests. Part 5: Control valves
WITHDRAWN published on 1.10.2001
Selected format:Valves for water supply - Fitness for purpose requirements and appropriate verification tests - Part 6: Hydrants
WITHDRAWN published on 1.6.2004
Selected format:Fire hydrants. Technical rules
WITHDRAWN published on 1.6.1974
Selected format:Underground hydrants, NP 10. Dimensions
WITHDRAWN published on 1.6.1974
Selected format:Overhead hydrants, NP 10. Dimensions
WITHDRAWN published on 1.6.1974
Selected format:Underground fire hydrants
Standard published on 1.9.2006
Selected format:Latest update: 2026-08-20 (Number of items: 2 298 325)
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