UL 2167
Standard for Water Mist Nozzles for Fire Protection Service

DETAILS
Edition Number:1SCC Approved:--
Edition Date:2002-12-27DOD Approved: --
Price Code:DANSI Approved: 2011-11-28
Type:ulstd

  • SCOPE

    1 Scope

    1.1 This Standard contains requirements for water mist nozzles for use with water mist fire-protection systems intended for the protection of residential, light and ordinary hazard areas as well as shipboard machinery, control spaces, service areas, and public spaces. The intended application and use of a water mist nozzle is referenced in the Manufacturer's Design and Installation Instructions. See Section 49, Design and Installation Instructions.


    1.1 revised effective December 27, 2004

    1.2 This Standard is intended to address minimum fire-protection performance, construction, and marking requirements for water mist nozzles.


    1.2 revised effective December 27, 2004

  • TABLE OF CONTENTS
    Expand All

    • Cover
    • Transmittal
    • Table of Contents
    • UL Foreword
      • Body
        • INTRODUCTION
          • 1 Scope
          • 2 Units of Measurement
          • 3 Components
          • 4 Undated References
          • 5 Glossary
        • CONSTRUCTION
          • 6 General
          • 6A Protective Covers
          • 7 Strainer and Filter
        • PERFORMANCE
          • 8 General
          • 9 Water Mist Nozzle Requirements
          • 10 Exposure Tests On Nozzles Incorporating Polymeric Gaskets
            • 10.1 Nozzles with polymeric seals
            • 10.2 Corrosive exposures
            • 10.3 Temperature cycling exposure
            • 10.4 Hydrocarbon exposure followed by moist air exposure
            • 10.5 Hydrocarbon exposure followed by water immersion exposure
            • 10.6 Exposure to antifreeze solutions (deleted)
          • 11 Nominal Operating Temperatures
          • 12 Operating Temperature Test
          • 13 Water Flow Test
          • 14 Water Distribution Test
          • 15 Water Droplet Size and Velocity
          • 16 Function Test
          • 17 Deflector/Orifice Assembly Test
          • 18 Body Strength Test
          • 19 Strength of Glass Bulb Elements
          • 20 Strength of Fusible Elements
          • 21 Leak Resistance
          • 22 Hydrostatic Strength
          • 23 Heat Exposure
            • 23.1 Glass bulb nozzles
            • 23.2 Uncoated automatic nozzles
            • 23.3 Coated automatic nozzles
          • 24 Thermal Shock
          • 25 Corrosion Tests
            • 25.1 Stress corrosion test for brass nozzles and parts
            • 25.2 Stress-corrosion cracking of stainless steel nozzles and parts
            • 25.3 Sulfur dioxide/carbon dioxide corrosion
            • 25.3A Hydrogen sulfide corrosion
            • 25.4 Salt spray corrosion
            • 25.5 Moist air exposure
          • 25A Dezincification Test of Brass Parts
            • 25A.1 General
            • 25A.2 Reagent
            • 25A.3 Test pieces
            • 25A.4 Method
          • 26 Integrity of Nozzle Coatings
            • 26.1 Evaporation of wax and bitumen used for atmospheric protection of nozzles
            • 26.2 Resistance to low temperatures
            • 26.3 Resistance to high temperature
          • 27 Water Hammer
          • 27A Impact Test for Protective Covers
          • 28 Dynamic Heating
          • 29 Plunge Test
          • 30 Prolonged Plunge Test
          • 31 Heat Resistance
          • 32 Vibration
          • 33 Rough Usage Test
          • 34 Impact Test
          • 35 Lateral Discharge
          • 36 Thirty-Day Leakage Resistance
          • 37 Vacuum Resistance
          • 38 Clogging Test
          • 39 Freezing Test
          • 40 Shipboard Machinery Space Fire Tests
            • 40.1 General
            • 40.2 Test apparatus
            • 40.3 Test enclosure
            • 40.4 Fire tests
            • 40.5 Extinguishing system
            • 40.6 Test procedure
            • 40.7 Test observations
          • 41 Shipboard Passenger Cabin Fire Tests
            • 41.1 General
            • 41.2 Fire tests
            • 41.3 Test arrangement
            • 41.4 Test procedure
            • 41.5 Test observations
          • 42 Shipboard Passenger Cabins Greater than 12 m
            • 42.1 General
            • 42.2 Test arrangement
            • 42.3 Fire source
            • 42.4 Nozzle installation
            • 42.5 Test procedure
          • 43 Shipboard Public Space Fire Tests
            • 43.1 General
            • 43.2 Shipboard light hazard areas
            • 43.3 Shipboard ordinary hazard areas
          • 44 Residential Area Fire Tests
            • 44.1 General
            • 44.2 Test arrangement
            • 44.3 Fire source
            • 44.4 Test method
          • 45 Light Hazard Area Fire Tests
          • 46 Ordinary Hazard Group 1 Fire Tests
            • 46.1 General
            • 46.2 Open area fire tests
            • 46.3 Test arrangement
            • 46.4 Fire source
            • 46.5 Test procedure
            • 46.6 Corner fire tests
            • 46.7 Test arrangement
            • 46.8 Fire source
            • 46.9 Test procedure
          • 47 Ordinary Hazard Group 2 Fire Tests
            • 47.1 General
            • 47.2 Open area fire tests
            • 47.3 Test arrangement
            • 47.4 Fire source
            • 47.5 Test procedure
            • 47.6 Corner fire tests
            • 47.7 Test arrangement
            • 47.8 Fire source
            • 47.9 Test procedure
        • MANUFACTURING AND PRODUCTION TESTS
          • 48 Production Leakage Test
          • 48A Glass Bulb Integrity Test
        • INSTRUCTIONS
          • 49 Design and Installation Instructions
        • MARKING
          • 50 Water Mist Nozzle Marking
    • NOZZLE DROPLET SIZE DISTRIBUTION SUMMATION METHOD