UL 343
Standard for Pumps for Oil-Burning Appliances

DETAILS
Edition Number:9SCC Approved:--
Edition Date:2008-12-17DOD Approved: --
Price Code:BANSI Approved: 2017-12-13
Type:ulstd

  • SCOPE

    1 Scope

    1.1 These requirements cover pumps that are intended to be used as part of oil-burning appliances or installed in fuel-oil piping systems serving such equipment. Oil-burning appliance pumps may be either automatic or power-operated.

    1.2 Requirements for the installation and use of oil-burning appliance pumps are included in the Standard for the Installation of Oil-Burning Equipment, NFPA 31.

  • TABLE OF CONTENTS
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    • Cover
    • Transmittal
    • Table of Contents
      • Body
        • INTRODUCTION
          • 1 Scope
          • 2 Components
          • 3 Units of Measurement
          • 4 Undated References
          • 5 Glossary
        • CONSTRUCTION
          • 6 Assembly
          • 7 Materials
          • 8 Strength of Parts
          • 9 Bodies, Covers, and Heads
          • 10 Shaft Seals and Stuffing Boxes
          • 11 Springs
          • 12 Diaphragms
          • 13 Bases
          • 14 Integral Tanks
          • 15 Strainers
          • 16 Floats
          • 17 Control Application
          • 18 Piping and Fittings
        • ELECTRICAL EQUIPMENT
          • 19 General
          • 20 Enclosures
          • 21 Motors
          • 22 Wiring Methods
        • PERFORMANCE
          • 23 General
          • 24 Deformation – Test No. 1
          • 25 Operation of Pressure-Regulating and Nozzle Shutoff Valves Combined With a Pump Assembly – Test No. 2
          • 26 Operation of Combination Pump and Compressor Assemblies – Test No. 3
          • 27 Operation of Automatic Fuel Oil Pumps – Test No. 4
          • 28 Vacuum and Capacity of Power-Operated Pumps – Test No. 5
          • 29 Endurance – Test No. 6
          • 30 Static-Pressure Leakage – Test No. 7
          • 31 High-Pressure Leakage – Test No. 8
          • 32 Hydrostatic-Pressure Strength – Test No. 9
          • 33 10-Day Moist Ammonia-Air Stress Cracking Test
        • MANUFACTURING AND PRODUCTION TESTS
          • 34 General
        • MARKING
          • 35 General
    • Appendix A