STN EN 1254-20+A1
Označenie: | STN EN 1254-20+A1 |
Platnosť: | Platná |
Počet strán: | 68 |
Jazyk: |
EN
|
Listinná verzia: | 24,40€ |
Elektronická verzia: |
a) Bez možnosti tlače, prenosu textu a obrázkov:
21,96€ b) Bez možnosti tlače, s prenosom textu a obrázkov: 24,40€ c) S možnosťou tlače, prenosu textu a obrázkov: 31,72€ |
Slovenský názov: | Meď a zliatiny medi. Potrubné armatúry. Časť 20: Definície, závitové rozmery, skúšobné metódy, referenčné údaje a podporné informácie |
Anglický názov: | Copper and copper alloys - Plumbing fittings - Part 20: Definitions, thread dimensions, test methods, reference data and supporting information |
Dátum vydania: | 01. 05. 2025 |
Dátum zrušenia: | |
ICS: | 23.040.40 |
Triediaci znak: | 13 8400 |
Úroveň zapracovania: | idt EN 1254-20:2021+A1:2025 |
Vestník: | 04/25 |
Zmeny: | |
Nahradzujúce normy: | |
Nahradené normy: | STN EN 1254-20:2021-09 (13 8400) |
Poznámka vo Vestníku: | |
Predmet normy: | This document contains definitions, thread dimension, reference data (minimum bore and wall thickness), supporting information (assembling instructions) and describes the test methods referenced by other parts of the EN 1254 series. Thread dimensions comprise: wall thickness at threaded portions of fittings, dimensions of tail pipe ends for swivel fittings, dimensions of gas union connectors, thread dimensions and thread profile. Test methods comprise: leak tightness under internal hydrostatic pressure, leak tightness under internal pneumatic pressure, integrity of fabricated fitting bodies or having an 'as cast' microstructure, resistance to pull out of joints to metallic tubes, resistance of joints with metallic tube to vibration, resistance of joints to static flexural force, leak tightness of joints under vacuum, the resistance of joints to temperature cycling, detecting non-pressed fitting ends, resistance to stress corrosion, detection of a carbon film on the surface of copper fittings, ... |
Náhľad normy: | Náhľad normy (PDF) |