Cryogenic vessels - Hoses
STANDARD published on 1.3.2025
Designation standards: ČSN EN ISO 21012
Classification mark: 697234
Catalog number: 520631
Publication date standards: 1.3.2025
The number of pages: 36
Approximate weight : 108 g (0.24 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
This document specifies design, construction, type and production testing, and marking requirements for both non-insulated cryogenic flexible hoses and insulated vacuum jacketed hoses used for the transfer of cryogenic fluids within the following range of operating conditions:
- working temperature range: from -270 °C to +65 °C;
- nominal size (DN): from 10 to 100.
End fittings for mounting of any couplings are within the scope of this document, but the couplings are subject to other standards