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STN is a protected designation of Slovak national technical standards.
Industrial valves - Isolating valves for low-temperature applications - Part 1: Design, manufacturing and production testing (ISO 28921-1:2022)
Standard published on 1.8.2022
Selected format:Industrial valves - Isolating valves for low-temperature applications - Part 2: Type testing (ISO 28921-2:2015)
Standard published on 1.8.2017
Selected format:Industrial valves. Isolating valves for LNG. Specification for suitability and appropriate verification tests
WITHDRAWN published on 1.10.2001
Selected format:Industrial valves - Isolating valves for low-temperature applications - Part 1: Design, manufacturing and production testing (ISO 28921-1:2013)
WITHDRAWN published on 1.8.2017
Selected format:Industrial fittings. Positioners. Mounting details for attachment to control valve actuators
Standard published on 1.5.1991
Selected format:Industrial-process control valves - Part 1: Control valve terminology and general considerations
Standard published on 1.9.2023
Selected format:Regulačné armatúry pre priemyselné procesy. Časť 2-1: Prietok. Výpočtové vzťahy pre prietok tekutín v prevádzkových podmienkach (Norma na priame používanie ako STN).
Standard published on 1.1.2012
Selected format:Regulačné armatúry pre priemyselné procesy. Časť 2-1: Prietok. Výpočtové vzťahy pre prietok tekutín v prevádzkových podmienkach (Norma na priame používanie ako STN). (Text opravy je iba v dokumente IEC).
Correction published on 1.10.2015
Selected format:Industrial-process control valves - Part 2-3: Flow capacity - Test procedures
Standard published on 1.10.2016
Selected format:Regulačné armatúry pre priemyselné procesy. Časť 2-4: Prietok. Inherentné prietokové charakteristiky a rozsah zaťaženia (Norma na priame používanie ako STN).
Standard published on 1.2.2010
Selected format:Latest update: 2026-06-14 (Number of items: 2 282 206)
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