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BS ISO 21013-1:2022

BS ISO 21013-1:2022

$102.76

Cryogenic vessels. Pressure-relief accessories for cryogenic service – Reclosable pressure-relief valves

Published By Publication Date Number of Pages
BSI 2022 18
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PDF Catalog

PDF Pages PDF Title
2 National foreword
6 Foreword
7 1 Scope
2 Normative references
8 3 Terms and definitions
9 4 Requirements
4.1 General
4.2 Design
4.2.1 Design temperature
4.2.2 Drainage
4.2.3 Stem guiding
4.2.4 Inserts
4.2.5 Sublimating fluids service
4.2.6 Electric continuity
4.2.7 Set pressure
10 4.2.8 Minimum shell thickness
4.3 Materials
4.3.1 General
4.3.2 Metallic materials
4.3.3 Non-metallic materials
11 4.3.4 Corrosion resistance
4.3.5 Gas material compatibility
4.3.6 Acetylene compatibility
5 Qualification and testing
5.1 Type approval
5.1.1 Verification of the design
5.1.2 Model number
5.2 Type approval tests
5.2.1 Ambient condition tests
12 5.2.2 Cryogenic tests
14 5.2.3 Alternate cryogenic tests
15 5.3 Production testing
6 Determination of the certified coefficient of discharge (Kdr)
7 Set pressure tolerances
8 Re-seating pressure
9 Cleanliness
10 Marking
10.1 Marking on the body of the pressure-relief valve
16 10.2 Marking on an identification plate
11 Sealing
17 Bibliography

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BS ISO 21013-1:2022
$102.76