UL 448C
Standard for Stationary, Rotary-Type, Positive-Displacement Pumps for Fire-Protection Service

DETAILS
Edition Number:1SCC Approved:--
Edition Date:2009-02-02DOD Approved: --
Price Code:AANSI Approved: 2018-11-28
Type:ulstd

  • SCOPE

    1 Scope

    1.1 These requirements cover stationary, rotary type, positive displacement pumps intended for supplying water or foam liquid concentrates to fire protection systems.


    1.1 revised April 10, 2014

    1.2 The pumps covered by these requirements are intended to be installed in accordance with the Standard for Installation of Stationary Pumps for Fire Protection, NFPA 20.


    1.2 revised effective February 2, 2011

  • 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 General
          • 7 Pump Casings
          • 8 Rotors and Other Internal Components
          • 9 Ball and Roller Bearings
          • 10 Sleeve Bearings
          • 11 Shaft Seals
          • 12 Relief Valve
        • PERFORMANCE
          • 13 Hydraulic Performance Test
          • 14 Hydrostatic Strength Tests
          • 15 Dry Operation and Self-Priming Tests
          • 16 Endurance Test
          • 17 Relief Valve Operation, Flow Capacity and Reseat Tests
          • 18 Relief Valve Leakage Test
          • 19 Relief Valve Spring Cycling Test
        • MANUFACTURING AND PRODUCTION TESTS
          • 20 General
        • MARKINGS
          • 21 General