Reference number
ISO 21013-3:2006
ISO 21013-3:2006
© ISO 2024
ISO 21013-3:2006
Cryogenic vessels — Pressure-relief accessories for cryogenic service — Part 3: Sizing and capacity determination
Edition 1
2006-01
2006-01
Withdrawn
Abstract
ISO 21013-3:2006 provides separate calculation methods for determining the required mass flow to be relieved for each of the following specified conditions.
- Vacuum-insulated vessels with insulation system (outer jacket + insulating material) intact under normal vacuum; outer jacket at ambient temperature; inner vessel at temperature of the contents at the relieving pressure.
- Vacuum-insulated vessels with insulation system (outer jacket + insulating material) intact under normal vacuum; outer jacket at ambient temperature; inner vessel at temperature of the contents at the relieving pressure; pressure regulator of the pressure build-up system functioning at full potential.
- Vacuum-insulated vessels with insulation system remaining in place but with loss of vacuum, or non-vacuum-insulated vessels with insulation system intact; outer jacket at ambient temperature; inner vessel at temperature of the contents at the relieving pressure; vacuum or non-vacuum-insulated vessels with insulation system remaining fully or partially in place, but with loss of vacuum in the case of vacuum-insulated vessels, and fire engulfment; inner vessel at temperature of the contents at the relieving pressure.
- Vessels with insulation system totally lost and fire engulfment.
Good engineering practice based on well-established theoretical physical science needs to be adopted to determine the required mass flow where an appropriate calculation method is not provided for an applicable condition.
General information
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Status: WithdrawnPublication date: 2006-01Stage: Withdrawal of International Standard [95.99]
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Edition: 1Number of pages: 8
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Technical Committee :ISO/TC 220ICS :23.020.40
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Life cycle
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Now
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Revised by
PublishedISO 21013-3:2016