• UL 644 : 9

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    CONTAINER ASSEMBLIES FOR LP-GAS

    Available format(s):  Hardcopy

    Language(s):  English

    Published date:  06-06-2014

    Publisher:  Underwriters Laboratories

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    Table of Contents - (Show below) - (Hide below)

    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

    Abstract - (Show below) - (Hide below)

    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).

    Scope - (Show below) - (Hide below)

    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.

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    Development Note NEW CHILD REV 5 IS NOW ADDED
    Document Type Standard
    Product Note NEW CHILD REV 5 IS NOW ADDED
    Publisher Underwriters Laboratories
    Status Current
    Supersedes

    Standards Referencing This Book - (Show below) - (Hide below)

    UL 125 : 9 FLOW CONTROL VALVES FOR ANHYDROUS AMMONIA AND LP-GAS
    UL 132 : 8 SAFETY RELIEF VALVES FOR ANHYDROUS AMMONIA AND LP-GAS
    UL 144 : 8 LP-GAS REGULATORS
    UL 565 : 6 LIQUID-LEVEL GAUGES FOR ANHYDROUS AMMONIA AND LP-GAS
    UL 569 : 8 PIGTAILS AND FLEXIBLE HOSE CONNECTORS FOR LP-GAS
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