UL SUBJECT 79A-2012 OUTLINE OF INVESTIGATION FOR POWER-OPERATED PUMPS FOR GASOLINE AND GASOLINE ETHANOL BLENDS WITH NOMINAL ETHANOL CONCENTRATIONS UP TO 85 PERCENT (E0 - E85) (Issu.pdf

1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULNovember 2, 20121UL 79AOUTLINE OF INVESTIGATIONFORPOWER-OPERATED PUMPS FOR GASOLINE AND GASOLINE/ETHANOLBLENDS WITH NOMINAL ETHANOL CONCENTRATIONS UP TO 85PERCENT (E0 E85)Issue Number: 1November

2、2, 2012Summary of TopicsThis is the first issue of the Outline of Investigation for Power-OperatedPumps for Gasoline and Gasoline/Ethanol Blends With Nominal EthanolConcentrations Up To 85 Percent (E0 E85), UL 79A.COPYRIGHT 2012 UNDERWRITERS LABORATORIES INC.UL COPYRIGHTED MATERIAL NOT AUTHORIZED FO

3、R FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULNOVEMBER 2, 2012UL 79A2No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULCONTENTSINTRODUCTION1 Scope .62 General 72.1 Components .72.2 Units of measurement .82.3

4、 Undated references .83 Glossary .8CONSTRUCTION4 Assembly 95 Materials 105.1 Metallic materials 105.2 Nonmetallic materials 135.3 Casting impregnation materials 165.4 Internal parts .165.5 Blending Options 166 Bodies, Covers, and Heads .177 Drive-Shaft Seals 178 Diaphragms .189 Springs .1810 Floats

5、1811 Air Separators 1912 Strainers .1913 Outlet Pressure Regulation 1914 Pressure Relief .2015 Mounting and Base .2116 Guards 2117 Piping and Fittings 2118 Hose Nozzle Valve, Hose, and Coupling .2319 Conduit Seals 2320 Electrical Equipment 2421 Supply Connections .2622 Current-Carrying Parts 2823 I

6、nsulating Material 2824 Internal Wiring 3024.1 Mechanical protection .3024.2 Types of wire 3024.3 Splices and connections 3125 Separation of Circuits .3326 Capacitors .3327 Grounding .3427.1 General .3427.2 Grounding identification .3528 Motors .3628.1 Construction .3628.2 Overload protection .3628.

7、3 Brushes and brush holders 3729 Overload- or Thermal-Protective Devices 38NOVEMBER 2, 2012 UL 79A 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL30 Switches and Controls .3831 Spacings 39PROTECTION OF PERSONNEL32 General 4133 Sharp Edges .4

8、134 Enclosures and Guards 4235 Materials .4436 Surface Temperatures .4437 Locking Mechanism .4538 Control Application 4539 Secondary Circuits 4539.1 General .4539.2 Protection of wiring .46PERFORMANCE40 General 4641 Long Term Exposure Test .4741.1 General .4741.2 Samples 4841.3 Method .4841.4 Result

9、s .4942 High Pressure Leakage Test .4943 Endurance Test Pumps 5144 Hydrostatic Strength Test 5145 Retention Test for Screws and Bolts 5246 Deformation Test .5247 Leakage of Wire Seal Test .5348 Endurance Test for Air Separators 5449 Blocked Outlet Test .5450 Pressure Relief Test 5451 Float Buoyancy

10、Test 5452 Dimensional Stability of Floats Test .5553 Weight Change of Floats Test 5554 Float Crushing Test .5655 10-Day Moist Ammonia-Air Stress Cracking Test .5756 Tests on Sealing Compounds 5757 Metallic Coating Thickness Test 5858 Starting Current Test 6059 Input Test 6060 Temperature Test .6060.

11、1 General .6060.2 Maximum normal load 6461 Dielectric Voltage-Withstand Test .6462 Grounding Continuity Test .6563 Rain Test 6664 Submersion Test .6965 Conductor Secureness Test 6966 Insulation Resistance Test .6967 Leakage Current Test .7268 Pneumatic Parts Pressure Distortion Test 74NOVEMBER 2, 20

12、12UL 79A4UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL69 Pneumatic Parts Endurance 7570 Pneumatic Parts Impact Test .7571 Blending Cycling Test .75MANUFACTURING AND PRODUCTION TESTS72 General 76INSTRUCTIONS73 General 78RATING74 Details .78M

13、ARKING75 General 7976 Cautionary Markings 8177 Permanence of Marking .82SUPPLEMENT SA - Test FluidsSA.1 Details .SA1NOVEMBER 2, 2012 UL 79A 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULINTRODUCTION1 Scope1.1 These requirements cover produc

14、ts described in 1.2 when used with one or more of the fuelsdescribed in 1.3.1.2 These requirements cover electrically-, hydraulically-, or pneumatically-driven power-operated pumpsfor use with petroleum products in the following applications:a) Self-contained dispensing devices and submerged pumps u

15、sed in storage tanks that providethe fuel to remote control dispensing devices. They are intended for operation at dischargepressures of 50 pounds per square inch (psig) (345 kPa), or the marked maximum dischargepressure rating, when less, with the ambient and liquid temperature within the range of

16、minus29C (minus 20F) 52C (125F).b) Dispensing systems to transfer the fuel from a tank or container to a vehicle or anothercontainer. They are intended for operation at the marked maximum discharge pressure, or less,with the ambient and liquid temperature within the range of minus 29C (minus 20F) 52

17、C(125F).c) Vapor recovery applications for dispensing devices. They are intended to operate under avacuum at the inlet and a maximum discharge pressure of 50 psig (345 kPa), or markeddischarge pressure, whichever is less.1.3 Pumps covered by these requirements are intended for use with one or more o

18、f the following:a) Gasoline formulated in accordance with the Standard Specification for Automotive Spark-Ignition Fuel, ASTM D4814;b) Gasoline/ethanol blends with nominal ethanol concentrations up to 25 percent ethanol (E25),consisting of gasoline formulated in accordance with the Standard Specific

19、ation for AutomotiveSpark-Ignition Fuel, ASTM D4814, when blended with denatured fuel ethanol formulated to beconsistent with the Standard Specification for Denatured Fuel Ethanol for Blending WithGasolines for Use as Automotive Spark-Ignition Engine Fuel, ASTM D4806; orc) Gasoline/ethanol blends wi

20、th nominal ethanol concentrations above 25 percent formulated inaccordance with the Standard Specifications in item (b), or formulated in accordance with theStandard Specification for Ethanol Fuel Blends for Flexible-Fuel Automotive Spark-IgnitionEngines, ASTM D5798, as applicable.1.4 Requirements f

21、or the installation and use of these products are included in the Flammable andCombustible Liquids Code, ANSI/NFPA 30; the Motor Fuel Dispensing Facilities and Repair GaragesCode, ANSI/NFPA 30A; and the National Electrical Code, ANSI/NFPA 70.1.5 These requirements do not cover:a) Oil burner pumps, w

22、hich are evaluated under the Standard for Pumps for Oil-BurningAppliances, UL 343.b) Pumps for engine-powered automotive equipment.NOVEMBER 2, 2012UL 79A6UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULc) Pumps for marine use which are evaluat

23、ed under the Standard for Mechanically andElectrically Operated Fuel Pumps for Marine Use, UL 1130.d) Pumps for use in chemical, petrochemical, or petroleum processing plants; utility powerplants; petroleum production facilities; pipeline pump stations; pipeline or marine terminals; orbulk plant dis

24、tribution and related facilities.e) Pumps used in mobile applications, such as on tank trucks, portable tanks, or portablecontainers mounted on vehicles.f) Pumps rated more than 600 volts.g) Pump assemblies also provided with a flammable liquid meter or electrically-operatedshutoff valve, which are

25、evaluated in accordance with the Outline of Investigation for Power-Operated Dispensing Devices for Gasoline and Gasoline/Ethanol Bends With Nominal EthanolConcentrations Up To 85 Percent (E0 E85), UL 87A.h) Pumps intended for use with diesel fuel, biodiesel fuel, diesel/biodiesel blends, kerosene,

26、orfuel oil, which are evaluated in accordance with the Outline of Investigation for Pumps for DieselFuel, Biodiesel Fuel, Diesel/Biodiesel Blends With Nominal Biodiesel Concentrations Up To 20Percent (B20), Kerosene, and Fuel, Oil, UL 79B.1.6 The pump assembly may be constructed such that it provide

27、s for the installation and use of aflammable liquid hose and hose nozzle valve.2 General2.1 Components2.1.1 Except as indicated in 2.1.2, a component of a product covered by this outline shall comply with therequirements for that component.2.1.2 A component is not required to comply with a specific

28、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 requirement in this outline.2.1.3 A component shall be used in accordance with its rating established for the intended conditions o

29、fuse.2.1.4 Specific components are incomplete in construction features or restricted in performancecapabilities. Such components are intended for use only under limited conditions, such as certaintemperatures not exceeding specified limits, and shall be used only under those specific conditions.NOVE

30、MBER 2, 2012 UL 79A 7UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL2.1.5 Electrical components, including motors and wiring, when incorporated by a manufacturer in anassembly with a pump, and including the means provided in the pump assembly

31、 for electrical connections,shall comply with the requirements for equipment for use in hazardous locations, Class I, Group D,National Electrical Code, ANSI/NFPA 70, Articles 500 and 501.2.2 Units of measurement2.2.1 Values stated without parentheses are the requirement. Values in parentheses are ex

32、planatory orapproximate information.2.3 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 our standard.3 Glossary3.1 For the purpose of this outline, the following defi

33、nitions apply.3.2 BLENDING OPTION Dispensing devices may be provided with an option that blends two specificfuels into one fuel to be dispensed. This blending occurs at the dispenser level and can be in twoforms:a) Fixed blending Blending at the dispenser level that blends two specific fuels into on

34、e fuelto be dispensed, and that fuel to be dispensed is fixed. For example, fixed blending includesblend options where gasoline and denatured fuel ethanol can be blended to achieve E85, whichis the actual dispensed fuel.b) Variable blending Blending at the dispenser level that blends two specific fu

35、els into the fuelto be dispensed, but the fuel to be dispensed can be any of a number of previously set points.For example, variable blending includes blend options where gasoline and E85 can be blendedto achieve E40, E60, and E85 as the actual dispensed fuel.3.3 GASOLINE/ETHANOL BLENDS Blended fuel

36、 composed of a gasoline component and anethanol component. The numerical value corresponding to the ethanol component percentagedetermines the blend rating (such as E85 for 85% ethanol, 15% gasoline).3.4 HAZARDOUS LOCATIONS Locations in which flammable gases or vapors are or may bepresent in the air

37、 in quantities sufficient to produce explosive or ignitable mixture.3.5 INTRINSICALLY SAFE CIRCUIT A circuit incapable of releasing sufficient electrical energyunder normal or abnormal conditions to cause ignition of a specific hazardous atmospheric mixture.Abnormal conditions include unintentional

38、damage to any part of the equipment or wiring, insulation orother malfunction of electrical components, application of overvoltage, adjustment and maintenanceoperations, and other similar conditions.3.6 LINE-VOLTAGE CIRCUIT A circuit involving a potential of not more than 600 volts and havingcircuit

39、 characteristics in excess of those of a low-voltage circuit.3.7 LOW-VOLTAGE CIRCUIT A circuit involving a peak open-circuit potential of not more than 42.2volts supplied by:a) A battery;NOVEMBER 2, 2012UL 79A8UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PER

40、MISSION FROM ULb) A Class 2 transformer; orc) A combination of a transformer and a fixed impedance that, as a unit, complies with theperformance requirements for Class 2 transformers in accordance with the Standard forStandard for Low Voltage Transformers Part 1: General Requirements, UL 5085-1 and

41、theStandard for Low Voltage Transformers Part 3: Class 2 and Class 3 Transformers, UL5085-3.A circuit derived from a line-voltage circuit by connecting a resistance in series with the supplycircuit as a means of limiting the voltage and current is not a low-voltage circuit.3.8 RAINPROOF ENCLOSURE An

42、 enclosure that prevents the entrance of a beating rain to theextent that there is no wetting of electrical parts and no water enters a compartment housing fieldinstalled wiring.3.9 SEALS, DYNAMIC A seal that is subject to mechanical movement or other applied forces thatresult in movement or flexing

43、 of the seal under normal use conditions.3.10 SEALS, STATIC A seal that is not subject to mechanical movement or other applied forcesother than compression forces that are applied during installation and maintained during normal useconditions.CONSTRUCTION4 Assembly4.1 The construction of a pump shal

44、l be such that parts can be assembled in the intended manner afterbeing dismantled to the extent needed for replacement of parts or for other maintenance or servicing.4.2 When a pump requires the use of special pipe flanges, gaskets, bolts, or other special fittings or partsfor making connections, s

45、uch parts shall be furnished as part of the pump assembly.4.3 A product shall be formed and assembled so that it has the strength and rigidity required to resist theabuses to which it is subjected without resulting in the risk of fire, electric shock, or injury to persons dueto total or partial coll

46、apse with:a) Resulting reduction of spacings;b) Loosening or displacement of parts; orc) Other defects.4.4 A pump-motor assembly to be shipped from the manufacturer disassembled shall be provided withthe marking described in 75.9.NOVEMBER 2, 2012 UL 79A 9UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FU

47、RTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL5 Materials5.1 Metallic materials5.1.1 General5.1.1.1 A metallic part, in contact with the fuels anticipated by these requirements, shall be resistant tothe action of the fuel if degradation of the material will result in leakage of the fue

48、l or if it will impair thefunction of the device. For all fuel ratings, see Corrosion due to fluid, 5.1.2.1. For products rated forgasoline/ethanol blends with nominal ethanol concentrations greater than 25 percent, see Metallicmaterials system level, 5.1.3.5.1.1.2 The exposed surfaces of metallic p

49、arts shall be resistant to atmospheric corrosion if this corrosionwill lead to leakage of the fluid or if it will impair the function of the device. The material shall comply withthe requirements in Atmospheric corrosion, 5.1.2.2.5.1.1.3 Metallic parts in contact with the fuels anticipated by these requirements shall not be constructedof lead, or materials that are substantially lead. In addition, no coating or plating containing lead shall beused, such as terne-plated steel.5.1.2 Metallic materials material level5.1.2.1 Corro