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Normas DIN – AENOR
DIN EN ISO 21012:2019-04

DIN EN ISO 21012:2019-04

Cryogenic vessels - Hoses (ISO 21012:2018); German version EN ISO 21012:2018

Récipients cryogéniques - Tuyaux flexibles (ISO 21012:2018); Version allemande EN ISO 21012:2018

Kryo-Behälter - Schlauchleitungen (ISO 21012:2018); Deutsche Fassung EN ISO 21012:2018

Fecha:
2019-04 /Active
Equivalencias internacionales:

EN ISO 21012 (2018-12)

ISO 21012 (2018-03)

Relación con otras normas DIN:
Resumen:
This document gives design, construction, type and production testing, and marking requirements for non-insulated cryogenic flexible hoses used for the transfer of cryogenic fluids within the following range of operating conditions: - working temperature: 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 International Standard, but the couplings are subject to other standards. It is intended that the hose be designed and tested to satisfy the generally accepted rated pressure i.e. at least PR 40. Hoses may be then selected with a PR equal to or greater than the maximum allowable pressure (PS) of the equipment to which it is to be used.
Keywords:
CE marking, Constructions, Containers, Cooling equipment, Cryogenic, Cryogenic vessels, Cryogenics, Definitions, Flexible, Hose assemblies, Marking, Mechanical properties, Non-insulated, Performance tests, Pressure, Product tests, Properties, Specification, Specification (approval), Testing, Type testing
70,84
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