UL 565
Standard for Liquid-Level Gauges for Anhydrous Ammonia and LP-Gas

DETAILS
Edition Number:6SCC Approved:--
Edition Date:2013-09-13DOD Approved: --
Price Code:AANSI Approved: 2018-02-22
Type:ulstd

  • SCOPE

    1 Scope

    1.1 These requirements cover liquid-level gauges for anhydrous ammonia and liquefied petroleum gas (LP-Gas) for use with pressure vessels in nonrefrigerated systems in installations covered by the following American National Standards and others:

    a)     Compressed Gas Association, CGA G-2.1.

    b)     Liquefied Petroleum Gas Code, NFPA 58.

    c)     Storage and Handling of Liquefied Petroleum Gases at Utility Plants, ANSI/NFPA 59.

    1.2 These requirements cover designs of gauges that require the release of liquid or gas phases of the contained fluid in order to function and gauges that do not require the release of liquid or gas phases of the contained fluid to function.

  • TABLE OF CONTENTS
    Expand All

    • Cover
    • Transmittal
    • Table of Contents
      • Body
        • INTRODUCTION
          • 1 Scope
          • 2 General
            • 2.1 Components
            • 2.2 Units of measurement
            • 2.3 Undated references
            • 2.4 Pressure and temperature rating
          • 3 Glossary
        • CONSTRUCTION
          • 4 Assembly
          • 5 Materials
          • 6 Bodies
          • 7 Springs
          • 8 Floats
        • PERFORMANCE
          • 9 General
          • 10 External Leakage Test
          • 11 Hydrostatic Strength Test
          • 12 Endurance Test
          • 13 Float Crush Test
          • 14 Moist Ammonia-Air Stress Cracking Test
        • MANUFACTURING AND PRODUCTION TESTS
          • 15 General
        • MARKING
          • 16 General
    • APPENDIX A