1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULJANUARY 8, 20141UL 87COutline of Investigation for Power-Operated Dispensing Devices for DieselExhaust FluidIssue Number: 4January 8, 2014Summary of TopicsThis fourth issue of the Outline of Inve
2、stigation for Power-OperatedDispensing Devices for Diesel Exhaust Fluid, UL 87C is being issued toinclude a revision to remove the need for an electrical continuity teston hanging hardware since Diesel Exhaust Fluid is not a flammable orcombustible liquid.ULs Outlines of Investigation are copyrighte
3、d by UL. Neither a printed norelectronic copy 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 UL.COPYRIGHT 2014 UNDERWR
4、ITERS LABORATORIES INC.UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULJANUARY 8, 2014UL 87C2No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULCONTENTSINTRODUCTION1 Sco
5、pe .62 General 72.1 Components .72.2 Units of measurement .72.3 Undated references .83 Glossary .8CONSTRUCTION4 General Construction .114.1 General 114.2 Hose assemblies 124.3 Strainers .124.4 Electrically operated valves .124.5 Hose nozzle valve .134.6 Mechanically operated valves .135 Materials 13
6、5.1 Metallic materials 135.2 Nonmetallic materials 165.3 Casting impregnation materials 185.4 Internal parts .186 Frame and Enclosure 186.1 Base .186.2 Pedestal .196.3 Housing 197 Vapor Barrier .218 AirGap .239 Pumping Units .2410 Pressure Relief .2411 Springs 2512 Strainers .2513 Valves .2613.1 Ele
7、ctrically operated valves 2613.2 Hose nozzle valves .2613.3 Mechanically operated valves 2714 Mechanical Line Leak Detectors 2715 Piping, Tubing and Associated Fittings 2716 Hose Assemblies .2917 Control System .2918 Meter 3019 Breakaway Couplings and Swivel Connectors 30ELECTRICAL EQUIPMENT20 Gener
8、al 3021 Motors .3322 Switches .3423 Heaters 34JANUARY 8, 2014 UL 87C 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL24 Class I, Group D, Division 2 Location, Lighting, Electrical, and Electronic Equipment 3525 Wiring Methods .3626 Locking Me
9、chanism .39PERFORMANCE27 General 3928 Test Sequences 4028.1 General .4028.2 Meter test sequence 4028.3 Pump test sequence 4028.4 Submersible transfer pump test sequence .4128.5 Hose assembly test sequence .4128.6 Electrically operated valve test sequence 4228.7 Reconnectable breakaway couplings test
10、 sequence 4228.8 Non-reconnectable breakaway couplings test sequence .4328.9 Swivel connectors test sequence .4328.10 Hose nozzle valves 4428.11 Mechanically operated valve test sequence 4428.12 Pressure relief valve test sequence 4428.13 Mechanical line leak detector test sequence 4528.14 General d
11、ispenser test sequence .4529 Long Term Exposure Test .4629.1 Samples 4629.2 Method .4729.3 Results .4730 High Pressure Leakage Test .4831 Endurance Test Meters 4932 Endurance Test Pumps 4933 Endurance Test Mechanical Line Leak Detectors .4934 Hydrostatic Strength Test 5035 Leakage of Hose Assemblies
12、 5036 Hose Bending Test (Filled) .5037 Low Temperature Exposure Test .5338 Seat Leakage Test Breakaway Couplings 5339 Operation Test Electrically Operated Valves 5440 Seat Leakage Test Hose Nozzle Valve 5441 Endurance Test Electrically Operated Valves .5442 Reserved 5443 Pull Test Breakaway Coupling
13、s .5444 Endurance Test Breakaway Couplings .5545 Operation Test Swivel Connectors 5546 Endurance Test Hose Nozzle Valve .5747 Casting Impregnation Materials Test Material Level .5848 Start-To-Discharge Test .5949 Pull Test Hose Assemblies .5950 Dimensional Stability of Floats 6051 Weight Change of F
14、loats 6052 Endurance Test Hose Retrieving Mechanism .6153 Endurance Test Hose Fastening Means .6254 Marking Adhesion Test 6255 Torque Test 6256 Rain Test 63JANUARY 8, 2014UL 87C4UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL57 Temperature Re
15、duction Test .6658 Leakage of Wire Seal Test .6659 Tests on Sealing Compounds 6660 10-Day Moist Ammonia-Air Stress Cracking Test .6761 Ozone Test 6862 Heater Maximum Temperature Test .6863 Abnormal Operation Test Heater 6963.1 General .6963.2 Blocked ventilation .7063.3 Runaway 7063.4 High ambient “
16、on” condition .7064 Heater Temperature Test 71MARKING65 General 7165.1 Details 7165.2 Cautionary markings 72INSTRUCTION MANUALS66 General 7367 Instructions Pertaining to Risk of Fire, Electric Shock, or Injury to Persons .7468 Installation Instructions 7569 Operating Instructions .7570 Maintenance I
17、nstructions 76SUPPLEMENT SA - Test FluidsSA.1 Details .SA1APPENDIX AStandards for ComponentsA1JANUARY 8, 2014 UL 87C 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULINTRODUCTION1 Scope1.1 These requirements apply to power operated dispensing
18、devices, rated 600 V or less, for use withDiesel Exhaust Fluid (DEF). These requirements may be used to evaluate individual components of adispensing device as indicated in 1.3 for use with DEF.1.2 Dispensing devices covered by these requirements are intended for use with DEF defined as a liquidwith
19、 67.5 percent deionized water and 32.5 percent urea.1.3 In addition to the overall dispensing device, and in accordance with 1.1, these requirements shallapply to devices that are used to construct a dispensing device, including the following:a) Pumps;b) Meters;c) Strainers;d) Electrically operated
20、valves (for use with flammable liquids);e) Hose nozzle valves;f) Mechanically operated valves;g) Hose assemblies;h) Breakaway couplings;i) Swivel connectors,j) Pressure relief devices (for use with flammable liquids);k) Mechanical line leak detectors;l) Casting impregnation materials; andm) Gaskets
21、and seals.1.4 Dispensing devices shall be installed and used in accordance with the applicable requirements in theCode for Motor Fuel Dispensing Facilities and Repair Garages, ANSI/NFPA 30A and the NationalElectrical Code, ANSI/NFPA 70.1.5 These requirements apply to wiring methods used to install o
22、r interconnect such control equipmentwhen the equipment is located directly on or within the housing of the dispensing device.JANUARY 8, 2014UL 87C6UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL1.6 These requirements do not apply to control
23、equipment that may authorize, monitor, or interruptoperation of a power-operated dispensing device, nor other auxiliary equipment. These products would becovered under the Standard for Control Equipment for Use With Flammable Liquid Dispensing Devices,UL 1238.1.7 These requirements do not cover disp
24、ensing devices for use with any fluid other than as described in1.2.2 General2.1 Components2.1.1 Except as indicated in 2.1.2, a component of a product covered by this Outline shall comply withthe requirements for that component. See the Standards for Components appendix for a list of standardscover
25、ing components generally used in the products covered by this Outline.2.1.2 A component is not required to 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 orb) Is superseded by a re
26、quirement in this Outline.2.1.3 A component shall be used in accordance with its rating established for the intended conditions ofuse.2.1.4 Specific components are incomplete in construction features or restricted in performancecapabilities. Such components are intended for use only under limited co
27、nditions, such as certaintemperatures not exceeding specified limits, and shall be used only under those specific conditions.2.2 Units of measurement2.2.1 Values stated without parentheses are the requirement. Values in parentheses are explanatory orapproximate information.JANUARY 8, 2014 UL 87C 7UL
28、 COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL2.3 Undated references2.3.1 Any undated reference to a code or standard appearing in the requirements of this Outline shall beinterpreted as referring to the latest edition of that code or standard
29、.3 Glossary3.1 For the purpose of this Outline, the following definitions will apply.3.2 AIR GAP A minimum of 1 inch (25.4 mm) free air space provided between the planes of Division1 and Division 2 hazardous locations and an unclassified area of a dispensing device.3.3 BASE The part of the assembly
30、that is intended to be secured to the foundation on which thedevice will be installed.3.4 CLASS I HAZARDOUS LOCATIONS Locations in which flammable gases or vapors are or maybe present in the air in quantities sufficient to produce explosive or ignitable mixtures. For the purposeof these requirements
31、, as applied to flammable or combustible liquid dispensing devices, the followingclassified areas are further defined. The area of the dispensing system covered by these requirementsis the envelope defined by the maximum outer dimensions. DEF dispensing devices installed near or inconjunction with f
32、lammable or combustible liquid dispensers could be located in areas that areconsidered classified.See Figures 3.1 and 3.2 for an illustration of Class I hazardous locations.a) Class I, Group D, Division 1 1) The area within a dispenser housing up to 4 feet (1.2 m) vertically above the base,except fo
33、r that area defined as Division 2 or unclassified.2) Any area within a nozzle boot.b) Class I, Group D, Division 2 1) Areas within a dispenser housing above the Division 1 area.2) The area surrounding the dispenser housing within 18 inches (46 cm) horizontally inall directions from the Division 1 ar
34、ea located within the housing.3) The area within 18 inches horizontally, in all directions from the opening of a nozzleboot not isolated by a vapor tight partition, except that the area is not required to beextended around a 90 degree or greater corner.This is generated text for figtxt.JANUARY 8, 20
35、14UL 87C8UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULFigure 3.1Hazardous location classification within a typical dispenserFigure 3.2Hazardous location classifications associated with a hose nozzle bootJANUARY 8, 2014 UL 87C 9UL COPYRIGHTE
36、D MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL3.5 DISPENSER, REMOTE CONTROL TYPE A dispensing device that does not contain a power-operated pump as part of the assembly, and which is intended for connection to a fluid piping systemcontaining the power-op
37、erated pumps at a remote location. Also commonly identified as a dispenser.3.6 DISPENSER, SELF-CONTAINED A dispensing device that includes a power-operated pump aspart of the assembly. Also commonly identified as a pump or suction dispenser.3.7 DISPENSING DEVICE A product consisting of a meter, moto
38、r, or fluid control, and an area forstoring a hose nozzle valve with or without a pump.3.8 ELECTRICAL CIRCUITS a) High Voltage Circuit A circuit having a potential of not more than 600 volts and havingcircuit characteristics in excess of those of a low voltage or Class 2 circuit.b) Low Voltage Circu
39、it A circuit involving a potential of not more than 30 volts ac (rms) (42.4volts peak or dc) and1) Supplied by a Class 2 transformer, or by a battery, by a battery and fixedimpedance, or by a transformer and fixed impedance each of which, as a unit, is incompliance with what is required for a Class
40、2 transformer, or2) Limited to a maximum of 100 volt-amperes.A circuit derived from a source of supply classified as a high voltage circuit, by connecting resistance inseries with the supply circuit as a means of limiting the voltage and current, is not considered to be alow voltage circuit.c) Intri
41、nsically Safe Circuit A circuit incapable of releasing sufficient electrical energy undernormal or abnormal conditions to cause ignition of a specific hazardous atmospheric mixture.Abnormal conditions include unintentional damage to any part of the equipment or wiring,insulation or other malfunction
42、 of electrical components, application of overvoltage, adjustmentand maintenance operations, and other similar conditions.3.9 HANGING HARDWARE The assembled portion of the dispensing device that is connected to theoutlet and contains the hose assembly, emergency breakaway coupling, swivel connectors
43、, and hosenozzle valve.3.10 HOUSING That section of the device that encloses and is intended to protect operating parts,control mechanisms, or other mechanical or electrical components, the damage of which would renderthe device incapable of being operated as intended, lead to tampering, introduce t
44、he possibility ofescape of liquid, or expose bare live electrical parts.3.11 INTENDED CARE AND USAGE Intended care means tasks such as lubrication and cleaning.Intended usage covers the manipulations involved in starting the dispenser, dispensing the liquid, andrestoring the dispenser to its standby
45、 condition.3.12 MASTER-SATELLITE DISPENSER COMBINATION Consists of two or more dispensingdevices. The Master dispenser controls the dispensing operation; the Satellite dispenser actuallydispenses as well, but is not used to control the dispensing function.3.13 PANEL A principal section of a housing
46、or enclosure. A mounting arrangement for control andother components.JANUARY 8, 2014UL 87C10UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL3.14 PEDESTAL That part of the structure above the base which supports the component units, andto which
47、 they are attached.3.15 PUMPING UNIT A power-operated pump for gasoline/ethanol blends other than gasohol, whichmay incorporate a strainer, air separator, relief device, or other auxiliary part.3.16 SEALS, DYNAMIC A seal that is subject to mechanical movement or other applied forces thatresult in mo
48、vement or flexing of the seal under normal use conditions.3.17 SEALS, STATIC A seal that is not subject to mechanical movement or other applied forcesother than compressing forces that are applied during installation and maintained during normal useconditions.3.18 UNCLASSIFIED AREA An area within a
49、dispenser housing isolated from Division 1 or Division2 locations by a vapor barrier or a solid nozzle boot, but not completely surrounded by a Division 1 orDivision 2 area, that does not contain a level of flammable gases or vapors that are capable ofproducing explosive or ignitable mixtures.3.19 VAPOR BARRIER A solid, unpierced partition located between Division 1 or Division 2locations and unclassified areas of a dispensing device. The vapor barrier is intended to reduce theentry of flammable
