UL 2518
Standard for Air Dispersion Systems

DETAILS
Edition Number:1SCC Approved:--
Edition Date:2016-07-12DOD Approved: --
Price Code:AANSI Approved: 2016-07-12
Type:ulstd

  • SCOPE

    1 Scope

    1.1 These requirements apply to air dispersion system materials for use in accordance with the following Installation Codes:

    a)    Standard of the National Fire Protection Association for the Installation of Air-Conditioning and Ventilating Systems, NFPA No. 90A;

    b)    Standard of the National Fire Protection Association for the Installation of Warm Air Heating and Air-Conditioning Systems, NFPA No. 90B;

    c)     The International Mechanical Code® (IMC); and

    d)     The Uniform Mechanical CodeTM (UMC).

    1.2 The air dispersion system materials covered by these requirements include preformed lengths of fabric or non-fabric products intended to convey and distribute air.

    1.3 These air dispersion system materials are intended to be limited for use in air handling systems in exposed locations operating under positive pressure.

    1.4 These requirements do not intend to address the joints between sections of air dispersion system materials or end connections.

  • TABLE OF CONTENTS
    Expand All

    • Cover
    • Transmittal
    • Table of Contents
      • Body
        • INTRODUCTION
          • 1 Scope
          • 2 Components
          • 3 Units of Measurement
          • 4 Undated References
        • PERFORMANCE
          • 5 Tests for Weight and Air Permeability
          • 6 Test for Surface Burning Characteristics
          • 7 Mold Growth and Humidity Test
          • 8 Temperature Test
            • 8.1 General
            • 8.2 Low temperature
            • 8.3 High temperature
          • 9 Erosion Test
            • 9.1 General
            • 9.2 Test installation
            • 9.3 Test method
          • 10 Pressure Test
        • MARKING
          • 11 Content
        • INSTRUCTIONS
          • 12 Installation Instructions
    • APPENDIX A