UL 448B
Standard for Residential Fire Pumps Intended for One- and Two-Family Dwellings and Manufactured Homes

DETAILS
Edition Number:1SCC Approved:--
Edition Date:2008-12-23DOD Approved: --
Price Code:AANSI Approved: 2017-12-21
Type:ulstd

  • SCOPE

    1 Scope

    1.1 These requirements cover fire pumps intended for use in water-supply systems for one- and two-family dwellings and manufactured homes.


    1.1 revised effective December 23, 2010

    1.2 The pumps covered by these requirements are intended for installation and use in accordance with the Standard for the Installation of Sprinkler Systems in One- and Two-Family Dwellings and Manufactured Homes, NFPA 13D.


    1.2 revised effective December 23, 2010

  • TABLE OF CONTENTS
    Expand All

    • Cover
    • Transmittal
    • Table of Contents
      • Body
        • INTRODUCTION
          • 1 Scope
          • 2 Components
          • 3 Units of Measurement
          • 4 Undated References
          • 5 Glossary
        • CONSTRUCTION
          • 6 General
          • 7 Pump Casings
          • 8 Impellers, Rings, and Other Internal Components
          • 9 Ball and Roller Bearings
          • 10 Shaft Seals
        • PERFORMANCE
          • 11 Operation Test
          • 12 Hydrostatic Strength Test
          • 13 Plastic Impellers or Other Internal Primary Pump Components (Except Bushings, Seal Rings, Coatings and Similar Components)
            • 13.1 Air oven aging
            • 13.2 Water aging
          • 14 Maximum Operating Temperature Test
        • MANUFACTURING AND PRODUCTION TESTS
          • 15 General
        • MARKINGS
          • 16 General