UL 1349
Outline of Investigation for LP-Gas Vaporizers

DETAILS
Edition Number:2SCC Approved:--
Edition Date:2017-12-07DOD Approved: --
Price Code:AANSI Approved: --
Type:outline

  • SCOPE

    1 Scope

    1.1 These requirements cover liquefied petroleum gas (LP-Gas) vaporizers of the stationary type.

    1.2 Vaporizers covered by these requirements are intended for use, and installation in propane systems and applications covered by the Liquefied Petroleum Gas Code, NFPA 58, and electrical components installed in accordance with the National Electrical Code, NFPA 70.

  • TABLE OF CONTENTS
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    • Outline Title Page
    • Table of Contents
      • Body
        • INTRODUCTION
          • 1 Scope
          • 2 General
            • 2.1 Components
            • 2.2 Units of measurement
            • 2.3 Undated references
          • 3 Glossary
        • CONSTRUCTION
          • 4 General Requirements – All Vaporizers
          • 5 Direct Fired Vaporizers
          • 6 Containers and Piping
          • 7 Materials
        • PERFORMANCE
          • 8 General
          • 9 Deformation Test
          • 10 External Leakage Test
          • 11 Operation Test
          • 12 Seat Leakage and Endurance Tests
          • 13 Hydrostatic Pressure Test
          • 14 Input Test
          • 15 Temperature Test
          • 16 Dielectric Voltage Withstand Test
          • 17 Accelerated Aging Test
          • 18 LP-Gas Compatibility Test
          • 19 Low Temperature Test
          • 20 Moist Ammonia Air Stress Cracking Test
        • MANUFACTURING AND PRODUCTION TESTS
          • 21 General
        • RATINGS
          • 22 Pressure and Temperature
        • MARKINGS
          • 23 General
        • INSTRUCTIONS
          • 24 Installation and Operating
    • APPENDIX A