1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULJUNE 21, 20181UL 2166POutline of Investigation for Plastic Pipe and Fitting Assemblies used asSelf-Contained Automatic Extinguisher Units for Total FloodingApplicationsIssue Number: 2June 21, 201
2、8Summary of TopicsThis is the second issue of the Outline of Investigation for Plastic Pipeand Fitting Assemblies used as Self-Contained Automatic ExtinguisherUnits for Total Flooding Applications, UL 2166P.ULs Outlines of Investigation are copyrighted by UL LLC. Neither a printed norelectronic copy
3、 of an Outline of Investigation should be altered in any way. All ofULs Outlines of Investigation and all copyrights, ownerships, and rights regardingthose Outlines of Investigation shall remain the sole and exclusive property of ULLLC.COPYRIGHT 2018 UL LLCUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR
4、FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULJUNE 21, 2018UL 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 6
5、5 Glossary .6CONSTRUCTION6 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-Y
6、ear Time Leakage Test 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 Ex
7、posure Test .1429 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 Max
8、imum area coverage, 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 .2
9、2JUNE 21, 2018 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
10、 test .2536.2 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 Wal
11、l thickness 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 .32JUNE 21, 2018UL 2166P
12、4UL COPYRIGHTED 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. Aut
13、omatic 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 extin
14、guisher 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
15、 the use 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 p
16、erformance 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
17、comply 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 wi
18、th its 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 u
19、sed only under those specific conditions.JUNE 21, 2018 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 orapproxima
20、te 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 969Ma
21、rking and Labeling SystemsUL 2166Halocarbon Clean Agent Extinguishing System Units5 Glossary5.1 For the purpose of these requirements, the following definitions apply.5.2 AUTOMATIC EXTINGUISHER UNIT, DISPOSABLE A plastic pipe and fitting assembly withmounting bracket that:a) Has no manual method of
22、actuation;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 hy
23、drostatic testing.5.3 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.5.4 DESIGN CONCENTRATION The percent of extinguishing agent in
24、 air per unit of protected volume,including a safety factor, required for total flooding system design purposes.JUNE 21, 2018UL 2166P6UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL5.5 DISCHARGE PORT The opening on a plastic pipe and fitting
25、assembly from which extinguishingagent exits providing uniform distribution:a) Over a specific area andb) Within a specific volume.5.6 DISCHARGE TIME The time interval between activation and the end of extinguishing agent exitingfrom the discharge port.5.7 DISCHARGE TIME, MAXIMUM The longest dischar
26、ge 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 2001.5.8 EXPELLANT GAS An inert gas used to facilitate the discharge of a superpressurized clean agentat low temperatures.5.9 EXTI
27、NGUISHING 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.5.10 HEPTANE A commercial grade hydrocarbon us
28、ed as 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 0.73.5.11 JOINT, FUSION WELDED - The connection between plastic pipe end and fitting.5.12 METHOD OF ACTUATION, AUTOMATIC A means of actuation t
29、hat results in extinguishing agentdischarge without the necessity of human intervention, such as a thermal actuating mechanism.5.13 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
30、 orientation during discharge.5.14 OPERATING PRESSURE The pressure in a fully charged plastic pipe and fitting assembly usedas an automatic extinguisher unit at 21C (70F).5.15 OPERATING PRESSURE RANGE The pressure range corresponding to the pressures within theplastic pipe and fitting assembly at th
31、e specified minimum and maximum temperatures for which theautomatic extinguisher unit is intended to be operated.5.16 OPERATING TEMPERATURE RANGE The temperature range inclusive of the minimum andmaximum temperatures for which the automatic extinguisher unit is intended to be stored, used, andoperat
32、ed.5.17 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.JUNE 21, 2018 UL 2166P 7UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION O
33、RDISTRIBUTION WITHOUT PERMISSION FROM UL5.18 PLASTIC PIPE Round tube that is extruded to specification, used in the storage of extinguishingagent, and forms the discharge port upon actuation.5.19 PLASTIC PIPE AND FITTING ASSEMBLY Plastic pipe and fittings fusion welded to provide astorage container
34、for the extinguishing agent and expellant (when applicable) until actuated, forming adischarge port for release of the agent.5.20 PROTECTED VOLUME For fire tests, the volume within the protected enclosure, minus thevolume of any permanent impermeable building elements within the enclosure.5.21 TOTAL
35、 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
36、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
37、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
38、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.JUNE 21, 2018UL 2166P8UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDI
39、STRIBUTION 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 be fr
40、ee 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 internation
41、al standard.9 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 and f
42、itting 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 Fir
43、e 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 fo
44、r an automatic extinguisher unit that is filled with ahalocarbon clean agent only and not charged with an expellant gas.JUNE 21, 2018 UL 2166P 9UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL13 Pipe and Fitting Assemblies13.1 Plastic pipe and
45、 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, plastic mou
46、nting 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) Resistance to dete
47、rioration 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 filling densities of
48、 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 performance te
49、sts.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 maintained 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 incre
