UL 2127
Standard for Inert Gas Clean Agent Extinguishing System Units

DETAILS
Edition Number:2SCC Approved:--
Edition Date:2012-07-13DOD Approved: --
Price Code:AANSI Approved: 2016-08-03
Type:ulstd

  • SCOPE

    1 Scope

    1.1 These requirements cover the construction and operation of inert gas clean agent fire extinguishing system units intended to be installed, inspected, tested, and maintained in accordance with the Standard for Clean Agent Fire Extinguishing Systems, NFPA 2001 .

  • TABLE OF CONTENTS
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    • Cover
    • Transmittal
    • Table of Contents
      • Body
        • INTRODUCTION
          • 1 Scope
          • 2 General
          • 3 Glossary
          • 4 Components
          • 5 Design Manual
          • 6 Owner's Manual
        • CONSTRUCTION
          • 7 General
          • 8 Electrically Operated Alarms
          • 9 Controls and Indicators
          • 10 Pressure Vessels
          • 11 Pressure Relief Devices
          • 12 Gaskets and "O" Rings
          • 13 Pressurization Level and Filling Volume
          • 14 Pressure Gauges– Extinguishing System Units
          • 14A Pressure Gauges – Pneumatic Control Assemblies
          • 15 Puncturing Mechanisms
          • 16 Electrically Operated Valves and Pressure Switches
          • 17 Clean Agents
          • 18 Pressure Reducing Devices
          • 19 Polymeric Materials and Nonmetallic Parts
          • 20 Anti-Recoil Devices
          • 21 Pressure Switches
        • PERFORMANCE
          • 22 General
          • 23 Discharge Test
          • 24 Valve Leakage Test
          • 25 Hydrostatic Pressure Test
          • 26 30-Day Elevated Temperature Test
          • 27 Temperature Cycling Test
          • 28 Salt Spray Corrosion Test
          • 29 500 Cycle Operation Test
          • 30 Time Delay Verification Test
          • 31 Pressure-Operated Alarm Test
          • 32 One-Year Time Leakage Test
          • 33 Mounting Device Test
          • 34 Class A and B Fire Clean Agent Extinguishment Tests
            • 34.1 General test parameters
            • 34.2 Class A fire extinguishment tests
            • 34.3 Class B fire extinguishment tests
          • 35 Nozzle Distribution Verification Tests
            • 35.1 General
            • 35.2 Test enclosure
            • 35.3 System arrangement
            • 35.4 Minimum room height/nozzle area coverage test arrangement
            • 35.5 Maximum room height test arrangement
          • 36 Verification of Flow Calculation Method Test
          • 37 Equivalent Length Determination
          • 38 High Pressure Discharge Test
          • 39 Flexible Hose Low Temperature Test
          • 40 Operation Test of Manual Actuators and Manual Pull Stations
          • 41 Pneumatic Operation Test
          • 42 Pressure Relief Tests
          • 43 Calibration Test – Gauges
          • 44 Burst Strength Test – Gauges
          • 45 Overpressure Test – Gauges
          • 46 Impulse Test– Gauges
          • 47 Pressure Gauge Relief Test
          • 48 Water Resistance Test – Gauges
          • 49 Elastomeric Parts Test
          • 50 10-Day Moist Ammonia Air Stress Cracking Test
          • 51 Aging Tests– Plastic Materials
            • 51.1 Air-oven aging test
            • 51.2 Light and water test
          • 52 Nameplate Exposure Tests
          • 53 Nameplate Adhesion Test
          • 54 Nameplate Abrasion Test
        • MANUFACTURING AND PRODUCTION TESTS
          • 55 General
            • 55.1 General
            • 55.2 Hydrostatic pressure test – shells
            • 55.3 Gauge calibration test
            • 55.4 Leakage test
            • 55.5 Clean agent
        • MARKING
          • 56 General
          • 57 Manuals
          • 58 Placards
        • INSTALLATION INSTRUCTIONS
          • 59 Installation, Operation, and Maintenance Instruction Manual
    • MARINE-TYPE INERT GAS CLEAN AGENT EXTINGUISHING SYSTEM UNITS