UL 1091B
Outline of Investigation for System Control Ball Valves for Fire Protection Service

DETAILS
Edition Number:3SCC Approved:--
Edition Date:2014-09-02DOD Approved: --
Price Code:AANSI Approved: --
Type:outline

  • SCOPE

    1 Scope

    1.1 These requirements cover System Control Ball Valves intended for use in piping systems supplying water for fire protection service.

    1.2 Ball valves covered by this outline are intended to shut off water supplies to systems and are not intended for use in trim and drain applications. Trim and drain valves are covered under the Outline of Investigation for Shutoff Valves for Trim and Drain Purposes, UL 258.

    1.3 The valves covered by these requirements are intended for installation and use in accordance with the following Standards for:

    a)     Low-, Medium-, and High-Expansion Foam, NFPA 11;

    b)     Installation of Sprinkler Systems, NFPA 13;

    c)     Installation of Sprinkler Systems in One- and Two-Family Dwellings, and Manufactured Homes, NFPA 13D;

    d)     Installation of Sprinkler Systems in Low-Rise Residential Occupancies, NFPA 13R;

    e)     Installation of Standpipe and Hose Systems, NFPA 14

    f)     Water Spray Fixed Systems for Fire Protection, NFPA 15;

    g)     Foam-Water Sprinkler and Foam-Water Spray Systems, NFPA 16;

    h)     Installation of Stationary Pumps for Fire Protection, NFPA 20, and;

    i)     Water Tanks for Private Fire Protection, NFPA 22.

  • TABLE OF CONTENTS
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    • Outline Title Page
    • Table of Contents
      • Body
        • INTRODUCTION
          • 1 Scope
          • 2 Components
          • 3 Units of Measurement
          • 4 Undated References
          • 5 Glossary
        • CONSTRUCTION
          • 6 Sizes
          • 7 Rated Pressure
          • 8 Balls
          • 9 Seats
          • 10 Bodies
          • 11 Valve Stems (Shafts)
          • 12 Brass Materials
          • 13 Actuator Assemblies
          • 14 Electrically Operated Valve Monitor Switches
        • PERFORMANCE
          • 15 General
          • 16 Nonmetallic Materials Test
            • 16.1 Plastic or other nonmetallic parts (excluding rubber, synthetic elastomers, and coatings)
            • 16.2 Elastomeric parts (except gaskets)
          • 17 Leakage Test
          • 18 Hydrostatic Test
          • 19 Torque Test
            • 19.1 All valves
            • 19.2 Valves with integral indicating and operating arrangements
          • 20 Operation Tests
          • 21 Hydraulic Friction Loss Test
          • 22 10-Day Moist Ammonia Air Stress Cracking Test
          • 23 Cycling Test
          • 24 Dezincification Test of Brass Parts
            • 24.1 General
            • 24.2 Reagent
            • 24.3 Samples
            • 24.4 Method
        • MANUFACTURING AND PRODUCTION TESTS
          • 25 General
        • MARKING
          • 26 General
        • INSTRUCTIONS
          • 27 Installation Instructions