ISO 20421-2:2005
Cryogenic vessels - Large transportable vacuum-insulated vessels - Part 2: Operational requirements

Standard No.

ISO 20421-2:2005

Release Date

2005

Published By

International Organization for Standardization (ISO)

Status

Be replaced

Replace By

ISO 20421-2:2017

Latest

ISO 20421-2:2017

Scope

This part of ISO 20421 specifies operational requirements for large transportable vacuum-insulated cryogenic vessels of more than 1 000 I volume. The scope includes putting into service, filling, withdrawal, transport within the location, storage, maintenance, periodic inspection and emergency procedures. For the transport of these vessels by public road, rail, waterway, sea and air, additional requirements may apply; these are defined in specific regulations. This part of ISO 20421 applies to vessels for cryogenic fluids as specified in ISO 20421-1. The additional requirements for flammable fluids are detailed in Clause 16.

ISO 20421-2:2005 Referenced Document

• ISO 20421-1 Cryogenic vessels — Large transportable vacuum-insulated vessels — Part 1: Design, fabrication, inspection and testing — Amendment 1*， 2022-04-12 Update
• ISO 21010 Cryogenic vessels - Gas/material compatibility*， 2017-12-08 Update
• ISO 23208 Cryogenic vessels — Cleanliness for cryogenic service — Amendment 1: Cryogenic vessels — Cleanliness for cryogenic service — Amendment 1*， 2020-07-15 Update

ISO 20421-2:2005 history

• 2017 ISO 20421-2:2017 Cryogenic vessels - Large transportable vacuum-insulated vessels - Part 2: Operational requirements
• 2005 ISO 20421-2:2005 Cryogenic vessels - Large transportable vacuum-insulated vessels - Part 2: Operational requirements