1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULDecember 30, 20161UL 2166POutline of Investigation for Plastic Pipe and Fitting Assemblies used asSelf-contained Automatic Extinguisher Units for Total FloodingApplicationsIssue Number: 1December
2、 30, 2016Summary of TopicsThis is the first issue of the Outline of Investigation for Plastic Pipe andFitting Assemblies used as Self-contained Automatic Extinguisher Unitsfor Total Flooding Applications, UL 2166P.COPYRIGHT 2016 UL LLCUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION O
3、RDISTRIBUTION WITHOUT PERMISSION FROM ULDECEMBER 30, 2016UL 2166P2No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULCONTENTSINTRODUCTION1 Scope .52 Components 53 Units of Measurement .64 Undated References 65 Glossary .6CONST
4、RUCTION6 Operating Temperature Range .87 Pipe .88 Fittings 99 Joints 910 Halocarbon Clean Agents .911 Expellant Gases .912 Pressure Gauges 913 Pipe and Fitting Assemblies 1014 Filling Densities .10PERFORMANCE15 General 1016 Discharge Test .1017 Hydrostatic Pressure Test .1118 One-Year Time Leakage T
5、est 1119 Thirty-Day Elevated Temperature Test 1120 Temperature Cycling Test .1221 Mounting Device Test 1222 High Pressure Discharge Test 1223 Crush Resistance Test 1224 Impact Resistance Test 1325 Vibration Test 1326 Kinking Test 1427 Pressure Cycling Test .1428 High-Temperature Exposure Test .1429
6、Operating Temperature Test .1530 Low-Temperature Exposure Test .1631 Ten-Day Moist Ammonia Air Stress Cracking Test 1632 Salt Spray Corrosion Test .1733 Distribution Verification Extinguishment Tests with Automatic Extinguisher Unit .1833.1 General .1833.2 Test enclosures 1933.3 Maximum area coverag
7、e, minimum height, and maximum volume test arrangementprocedure .2033.4 Maximum height and maximum volume test arrangement procedure .2034 Automatic Extinguisher Unit Automatic Operation Extinguishment Tests .2134.1 General .2134.2 Test enclosures 2234.3 Test arrangement procedure .22DECEMBER 30, 20
8、16 UL 2166P 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL35 Aging Tests - Plastic Materials .2335.1 Air-oven aging test .2335.2 Exposure to clean agent test 2435.3 Light and water test 2436 Pressure Gauge Tests 2536.1 Calibration test .253
9、6.2 Burst strength test .2536.3 Overpressure test 2536.4 Impulse test .2636.5 Pressure relief test .2636.6 Water resistance test .2637 Nameplate Tests .2637.1 Exposure tests .2637.2 Adhesion test 2737.3 Abrasion test 27MANUFACTURING AND PRODUCTION TESTS38 General 2838.1 General .2838.2 Wall thicknes
10、s monitoring .2838.3 Gauge calibration test (when applicable to construction) 2838.4 Leakage test .2838.5 Clean agent .29MARKING39 General 2940 Placards .31MANUALS41 General 3142 Owners Manual 3143 Design, Installation, Operation, and Maintenance Instruction Manual 32DECEMBER 30, 2016UL 2166P4UL COP
11、YRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULINTRODUCTION1 Scope1.1 These requirements cover the construction and performance of plastic pipe and fitting assembliesused as automatic extinguisher units containing halocarbon clean agent. Automatic
12、extinguisher units donot have a manual means of operation, and are intended to be used in accordance with themanufacturers installation instructions and inspected, tested, and maintained in accordance with theStandard on Clean Agent Fire Extinguishing Systems, NFPA 2001. These automatic extinguisher
13、 unitsare not intended:a) For use as a general substitute for pre-engineered or engineered clean agent extinguishingsystem units; orb) For protection of fire risks larger than those specified in the manufacturers instructions for asingle unit by using multiple units.1.2 The joints formed with the us
14、e of pipe and fittings covered by this Outline of Investigation are to befusion welded and are intended to prevent rotation and separation under pressure.1.3 Halocarbon clean agents used with these automatic extinguisher units are required to comply with therequirements for construction and performa
15、nce as contained in the Standard for Halocarbon Clean AgentExtinguishing System Units, UL 2166.2 Components2.1 Except as indicated in 2.2, a component of a product covered by this Outline of Investigation shallcomply with the requirements for that component.2.2 A component is not required to comply
16、with a specific requirement that:a) Involves a feature or characteristic not required in the application of the component in theproduct covered by this Outline of Investigation, orb) Is superseded by a requirement in this Outline of Investigation.2.3 A component shall be used in accordance with its
17、rating established for the intended conditions ofuse.2.4 Specific components are incomplete in construction features or restricted in performance capabilities.Such components are intended for use only under limited conditions, such as temperatures not exceedingspecified limits, and shall be used onl
18、y under those specific conditions.DECEMBER 30, 2016 UL 2166P 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL3 Units of Measurement3.1 Values stated without parentheses are the requirement. Values in parentheses are explanatory orapproximate
19、information.4 Undated References4.1 Any undated reference to a code or standard appearing in the requirements of this Outline ofInvestigation shall be interpreted as referring to the latest edition of that code or standard.UL StandardsUL 199Automatic Sprinklers for Fire-Protection ServiceUL 969Marki
20、ng and Labeling SystemsUL 2166Halocarbon Clean Agent Extinguishing System Units5 GlossaryFor the purpose of these requirements, the following definitions apply:5.1 AUTOMATIC EXTINGUISHER UNIT, DISPOSABLE A plastic pipe and fitting assembly withmounting bracket that:a) Has no manual method of actuati
21、on;b) Has an automatic thermal method of actuation;c) Is intended for use in normally unoccupied spaces;d) Is limited to a single protected area as specified in 1.2; ande) Is not capable of nor intended to undergo complete maintenance including internalinspection, replacement of parts, and hydrostat
22、ic testing.5.2 CLEAN AGENT Electrically nonconducting, volatile, or gaseous fire extinguishant that does notleave a residue upon evaporation. The word agent as used in this document shall mean clean agentunless otherwise indicated.5.3 DESIGN CONCENTRATION The percent of extinguishing agent in air pe
23、r unit of protected volume,including a safety factor, required for total flooding system design purposes.DECEMBER 30, 2016UL 2166P6UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL5.4 DISCHARGE PORT The opening on a plastic pipe and fitting ass
24、embly from which extinguishingagent exits providing uniform distribution:a) Over a specific area andb) Within a specific volume.5.5 DISCHARGE TIME The time interval between activation and the end of extinguishing agent exitingfrom the discharge port.5.6 DISCHARGE TIME, MAXIMUM The longest discharge
25、time specified by the manufacturer; but, notgreater than 10 seconds for Class A surface fire hazards, Class B fire hazards, and Class C fire hazardsas defined in NFPA 2001.5.7 EXPELLANT GAS An inert gas used to facilitate the discharge of a superpressurized clean agentat low temperatures.5.8 EXTINGU
26、ISHING CONCENTRATION The minimum percent of extinguishing agent in air per unitof protected volume, excluding a safety factor, required to extinguish fire in total flooding applicationsinvolving a particular fuel under defined experimental conditions.5.9 HEPTANE A commercial grade hydrocarbon used a
27、s a test fuel with a minimum initial boiling pointof 88C (190F), maximum dry point of 100C (212F), and a specific gravity (60F/60F) (15.6C/15.6C)of 0.69 - 0.73.5.10 JOINT, FUSION WELDED The connection between plastic pipe end and fitting.5.11 METHOD OF ACTUATION, AUTOMATIC A means of actuation that
28、results in extinguishing agentdischarge without the necessity of human intervention, such as a thermal actuating mechanism.5.12 MOUNTING BRACKET A device intended to attach a plastic pipe and fitting assembly used as anautomatic extinguisher unit to the enclosure structure and maintains the unit ori
29、entation during discharge.5.13 OPERATING PRESSURE The pressure in a fully charged plastic pipe and fitting assembly usedas an automatic extinguisher unit at 21C (70F).5.14 OPERATING PRESSURE RANGE The pressure range corresponding to the pressures within theplastic pipe and fitting assembly at the sp
30、ecified minimum and maximum temperatures for which theautomatic extinguisher unit is intended to be operated.5.15 OPERATING TEMPERATURE RANGE The temperature range inclusive of the minimum andmaximum temperatures for which the automatic extinguisher unit is intended to be stored, used, andoperated.5
31、.16 PLASTIC FITTING Devices used to close pipe ends, molded to specification, are of differentvarious types (for example, caps, plugs, and transition fittings), and used in the storage of extinguishingagent.DECEMBER 30, 2016 UL 2166P 7UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION O
32、RDISTRIBUTION WITHOUT PERMISSION FROM UL5.17 PLASTIC PIPE Round tube that is extruded to specification, used in the storage of extinguishingagent, and forms the discharge port upon actuation.5.18 PLASTIC PIPE AND FITTING ASSEMBLY Plastic pipe and fittings fusion welded to provide astorage container
33、for the extinguishing agent and expellant (when applicable) until actuated, forming adischarge port for release of the agent.5.19 PROTECTED VOLUME For fire tests, the volume within the protected enclosure, minus thevolume of any permanent impermeable building elements within the enclosure.5.20 TOTAL
34、 FLOODING A plastic pipe and fitting assembly used as an automatic extinguisher unitarranged to discharge an extinguishing agent into and throughout an enclosed space to achieve a uniformdistribution of the extinguishing agent.CONSTRUCTION6 Operating Temperature Range6.1 Where U.S. customary units a
35、re employed, the minimum storage temperature of an automaticextinguisher unit shall be 32F (0C), 0F (minus 17.8C), or lower in increments of 10F (5.5C); and amaximum storage temperature of either 100F (37.8C), 120F (48.9C), 130F (54.4C), or higher inincrements of 10F (5.5C).6.2 Where SI (System Inte
36、rnational) units are employed, the minimum storage temperature of anautomatic extinguisher unit shall be 0C (32F), -20C (minus 4F) or lower in increments of 5C (9F);and a maximum storage temperature of 37.8C (100F), 50C (122F), or higher in increments of 5C(9F).7 Pipe7.1 Pipe shall be 1 NPS or small
37、er, plastic, and have corrosion resistance at least equivalent to brass,bronze, or austenitic stainless steel.7.2 The plastic pipe shall be free from visible cracks, holes, foreign inclusions, or other defects.DECEMBER 30, 2016UL 2166P8UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION
38、ORDISTRIBUTION WITHOUT PERMISSION FROM UL8 Fittings8.1 Fittings shall be 1 NPS or smaller, plastic, or plastic with an integral metallic insert for transition to apressure gauge; and have corrosion resistance at least equivalent to brass, bronze, or austenitic stainlesssteel.8.2 The fittings shall b
39、e free from visible cracks, holes, foreign inclusions, or other defects.8.3 The fittings shall be of the configuration type (e.g., caps, plugs, and transition fittings). Transitionfittings are intended to include an integral metallic, corrosion resistant insert having threads conforming toan interna
40、tional standard9 Joints9.1 The pipe-to-fitting joint formed shall be of the heat fusion type and prevent rotation or separationunder pressure.10 Halocarbon Clean Agents10.1 For the purpose of halocarbon clean agents, the construction requirements contained in UL 2166apply.10.2 If the plastic pipe an
41、d fitting assemblies are intended for Class A surface fires, then in addition tothe plastic pipe and fitting assemblies complying with the requirements contained herein; the halocarbonclean agent shall comply with the requirements for construction and performance, as contained in UL2166 for Class A
42、Fire Extinguishing Tests.11 Expellant Gases11.1 For the purpose of expellant gases, the construction requirements contained in UL 2166 apply.12 Pressure Gauges12.1 For the purpose of pressure gauges, the construction requirements contained in UL 2166 apply.Exception: A pressure gauge is not required
43、 for an automatic extinguisher unit that is filled with ahalocarbon clean agent only and not charged with an expellant gas.DECEMBER 30, 2016 UL 2166P 9UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL13 Pipe and Fitting Assemblies13.1 Plastic p
44、ipe and fitting assemblies filled with the intended halocarbon clean agent and expellant gas(as applicable) serve as the clean agent storage container pressure vessel, distribution piping, anddischarge port (when ruptured due to the application of heat).13.2 Plastic pipe and fitting assemblies, plas
45、tic mounting brackets, and outdoor use plastic nameplates(as applicable) shall be evaluated on the basis of:a) Mechanical strength: see Mounting Device Test; Hydrostatic Pressure Test, Burst StrengthTest - Gauges, Nameplate Exposure Tests;b) Moisture absorption: Nameplate Exposure Tests;c) Resistanc
46、e to deterioration due to aging: see Aging Tests - Plastic Materials; NameplateExposure Tests;d) Exposure to light: see Aging Tests - Plastic Materials; Nameplate Exposure Tests;e) Exposure to the clean agent: see Aging Tests - Plastic Materials.14 Filling Densities14.1 The maximum and minimum filli
47、ng densities of clean agent within the plastic pipe and fittingassemblies as specified by the manufacturer at the normal operating temperature range corresponding tothe operating pressure range.PERFORMANCE15 General15.1 Representative samples of automatic extinguisher units shall be subjected to the
48、 performance tests.16 Discharge Test16.1 Samples representative of each plastic pipe and fitting assembly design shall have a discharge timeof no longer than 10 seconds.16.2 Each sample, charged to its maximum fill density at 70F (21C), shall be conditioned to 70 5F(21 2.8C) by holding in a room mai
49、ntained at the conditioning temperature for at least 16 hours.16.3 Following conditioning, each sample shall be installed in a protected volume. The temperature withinthe protected volume shall be increased by a gas burner fire located and constructed as described in UL199 Room Sensitivity Test.16.4 The fully charged plastic pipe and fitting assembly is then discharged. The discharge time is to bemeasured manually with a stopwatch or automatically by monitoring the pressure at the nozzle with a
