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EVS-EN 13959:2004

Anti-pollution check valves - DN 6 to DN 250 inclusive Family E, type A, B, C and D

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Kehtiv alates 05.01.2005
Alusdokumendid
EN 13959:2004
Direktiivid või määrused
puuduvad
Standardi ajalugu
Staatus
Kuupäev
Tüüp
Nimetus
05.01.2005
Põhitekst
The purpose of this European Standard is to specify: - field of application of Anti-pollution Check Valves; - backflow prevention properties, dimensional and physio-chemical properties, and properties of general hydraulic, mechanical and acoustic design to which Anti-pollution Check Valves of nominal sizes DN 6 to DN 250 inclusive shall conform; - Family E, type A, controllable Anti-pollution Check Valve (with test port); - Family E, type B, non-controllable Anti-pollution Check Valve, including Cartridge Check Valve; - Family E, type C, controllable Anti-pollution Double Check Valve (with test ports); - Family E, type D, non-controllable Anti-pollution Double Check Valve, including Cartridge Double Check Valve;
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EVS-EN 61770:2009/A11:2018

Veevõrguga ühendatud elektriseadmed. Tagasivoolu ja voolikute tõrke vältimine
Uusim versioon Kehtiv alates 04.06.2018