UL 644:9ED 2014-06-06
Current
The latest, up-to-date edition.
Standard for Container Assemblies for LP-Gas
Hardcopy
English
06-06-2014
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FOREWORD
INTRODUCTION
1. Scope
2. General
3. Glossary
CONSTRUCTION
4. Containers
5. Protective Housings
6. Safety-Relief Valves
7. Excess-Flow Valves
8. Liquid-Level Gauging Devices
9. Filler Valves and Vapor-Return Valves
10. Service Line Shutoff Valves
11. Regulators
12. Multiple-Head Units
13. Pressure Gauges
MANUFACTURING AND PRODUCTION TESTS
14. General
MARKING
15. General
APPENDIX A
Standards for Components
This revision of ANSI/UL 644 dated November 12, 2019 is being issued to update the title page to reflect the most recent designation as a Reaffirmed American National Standard (ANS).
| DevelopmentNote |
NEW CHILD REV 5 IS NOW ADDED
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| DocumentType |
Standard
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| Pages |
0
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| ProductNote |
NEW CHILD REV 5 IS NOW ADDED
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| PublisherName |
Underwriters Laboratories
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| Status |
Current
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These requirements cover aboveground, underground, and interchangeable (aboveground or underground) stationary container assemblies for liquefied petroleum gases which include any material having a vapor pressure not exceeding that allowed for commercial propane composed predominately of the following hydrocarbons, either by themselves or as mixtures: propane, propylene, butane (normal butane or isobutane), and butylenes.
| OO-K-2923 Base Document:1997 | KETTLES, HEATING, BITUMEN |
| UL 565:6ED 2013-09-13 | Liquid-Level Gauges for Anhydrous Ammonia and LP-Gas |
| UL 569:8ED 2013-11-19 | Pigtails and Flexible Hose Connectors for LP-Gas |
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