Overview
EN ISO 20088-2:2020 - Determination of the resistance to cryogenic spill of insulation materials - Part 2: Vapour exposure describes a standardized test method to evaluate how Cryogenic Spill Protection (CSP) systems and insulation materials resist exposure to vapour from a cryogenic liquid release where the liquid fraction is practically zero. Published by CEN and identical to ISO 20088-2:2020, the standard is intended for CSP systems installed on carbon steel and excludes high‑pressure liquid jet scenarios such as refrigeration circuits or immediate post‑liquefaction LNG streams.
Key topics and technical requirements
- Scope and applicability: Vapour‑dominant cryogenic spill scenarios; representative of accidental LNG releases where little or no liquid remains in the jet. Applicable to coatings, spray‑applied materials and preformed systems on carbon steel substrates.
- Test configuration and apparatus: Construction of release nozzles, test specimen supports, recirculation chamber and substrate preparation are defined to ensure repeatable vapour exposure testing.
- Instrumentation and measurement: Requirements for thermocouple placement, data acquisition, uncertainty of measurement, and methods for fixing thermocouples (annexed).
- Test procedure and environment: Stepwise procedures, environmental controls and safety measures for conducting vapour exposure tests; guidance on repeatability and reproducibility of results.
- Performance criteria and reporting: How to interpret results, classification guidance (informative annex), and mandatory contents of the test report.
- Safety considerations: Warnings on hazards from cryogenic testing (e.g., oxygen condensation, cold burns, asphyxiation), and the need for risk assessment, PPE and trained personnel.
Practical applications
- Validates the thermal and physical performance of insulation materials, coatings and CSP systems when exposed to cryogenic vapour jets.
- Used to support safety cases, asset integrity assessments and specification of CSP products for LNG plants, pipelines and storage facilities where vapour exposure is a credible hazard.
- Helps manufacturers demonstrate product resistance and helps operators select appropriate insulation systems to limit substrate cooling and structural damage.
Who should use this standard
- CSP and insulation manufacturers
- Third‑party testing laboratories and certification bodies
- LNG and cryogenic plant engineers, safety and integrity teams
- Regulators and standards committees specifying cryogenic protection requirements
Related standards
- Other parts of the ISO 20088 series (see ISO website for full list)
- EN/ISO adoption notices by CEN (EN ISO 20088-2:2020 is the endorsed European version)
Keywords: EN ISO 20088-2:2020, cryogenic spill, vapour exposure, Cryogenic Spill Protection (CSP), insulation materials, LNG, test method, carbon steel, cryogenic testing.