UL SUBJECT 330B-2012 OUTLINE OF INVESTIGATION FOR HOSE AND HOSE ASSEMBLIES FOR USE WITH DISPENSING DEVICES DISPENSING DIESEL FUEL BIODIESEL FUEL DIESEL BIODIESEL BLENDS WITH NOMINAB2.pdf

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1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULNovember 2, 20121UL 330BOUTLINE OF INVESTIGATIONFORHOSE AND HOSE ASSEMBLIES FOR USE WITH DISPENSING DEVICESDISPENSING DIESEL FUEL, BIODIESEL FUEL, DIESEL/BIODIESEL BLENDSWITH NOMINAL BIODIESEL CO

2、NCENTRATIONS UP TO 20 PERCENT (B20),KEROSENE, AND FUEL OILIssue Number: 1November 2, 2012SUMMARY OF TOPICSThis is the First Issue of Subject 330B, Outline of Investigation for Hoseand Hose Assemblies for Use With Dispensing Devices Dispensing DieselFuel, Biodiesel Fuel, Diesel/Biodiesel Blends With

3、Nominal BiodieselConcentrations Up To 20 Percent (B20), Kerosene, and Fuel Oil.This issue becomes effective November 2, 2012.COPYRIGHT 2012 UNDERWRITERS LABORATORIES INC.UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULNOVEMBER 2, 2012UL 330B2N

4、o Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULCONTENTSINTRODUCTION1 Scope .62 General 72.1 Units of Measurement .72.2 Undated References 73 Glossary .7PERFORMANCE4 Tube and Cover 75 Thickness of Cover 86 Internal Diameter

5、.87 Reinforcement 98 Electrical Bonding .99 Couplings 910 Materials 910.1 Metallic materials 910.2 Nonmetallic materials .10PERFORMANCE11 General 1312 Repeating Bending Test (Empty) .1412.1 General .1412.2 Sample .1412.3 Apparatus .1412.4 Method .1413 Hydrostatic Strength Test .1613.1 General .1613.

6、2 Sample .1613.3 Apparatus .1613.4 Method .1614 Repeated Bending Test (Filled) .1714.1 General .1714.2 Sample .1714.3 Apparatus .1714.4 Method .1815 Electrical Resistance Tests for Hose Having Nonmetallic Electrically Conductive Materials . .1815.1 General .1815.2 Samples 1815.3 Apparatus .1815.4 Me

7、thod .1916 Leakage and Electrical Continuity Test 1916.1 General .1916.2 Sample .2016.3 Apparatus .2016.4 Method .2017 Swivel Joint Operation Test 2017.1 General .20NOVEMBER 2, 2012 UL 330B 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL18 P

8、ull Test .2018.1 General .2018.2 Sample .2118.3 Equipment .2118.4 Method .2119 Adhesion Test 2119.1 General .2119.2 Sample .2219.3 Apparatus .2219.4 Method .2220 Deformation Test .2221 Kink Test 2322 Tensile Strength and Elongation Tests for Hose Components 2322.1 General .2322.2 Samples 2322.3 Appa

9、ratus .2422.4 Method .2423 Accelerated Air Oven Aging Test for Hose Components .2523.1 General .2523.2 Samples 2523.3 Apparatus .2523.4 Method .2524 Ozone Exposure Test .2624.1 General .2624.2 Samples 2624.3 Apparatus .2624.4 Method .2625 Immersion Tests for Hose Components .2725.1 Tensile strength

10、and ultimate elongation 2725.2 Volume change 2826 Low Temperature Test 2926.1 General .2926.2 Sample .2926.3 Apparatus .2926.4 Method .2927 Long Term Exposure Test for Hose and Hose Assemblies .3027.1 General .3027.2 Samples 3027.3 Method .3028 Bending Test for Hose Assemblies with Internal Spring 3

11、1MANUFACTURING AND PRODUCTION TESTS29 General 32MARKING30 Details .32NOVEMBER 2, 2012UL 330B4UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULSUPPLEMENT SA - TEST FLUIDSSA.1 Representative Aggressive Combustible Test Fuel Mixtures SA1NOVEMBER 2

12、, 2012 UL 330B 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULINTRODUCTION1 Scope1.1 These requirements cover hose and hose assemblies for use on dispensing devices for fuels. Aflammable liquid hose assembly consists of flexible hose and fit

13、tings suitable for attachment to fueldispensing equipment. Fuels, as defined by these requirements, include one or more of the fuelsdescribed in 1.2.1.2 Hose and hose assemblies covered by these requirements are intended for use with one or more ofthe following fuels:a) Diesel fuel and diesel fuel/b

14、iodiesel blends with nominal biodiesel concentrations up to 5percent (B0 B5) formulated in accordance with the Standard Specification for Diesel Fuel Oils,ASTM D975.b) Diesel/biodiesel blends with nominal biodiesel concentrations from 5 percent up to 20percent (B6 B20) formulated in accordance with

15、the Standard Specification for Diesel Fuel Oil,Biodiesel Blends (B6 B20), ASTM D7467.c) Biodiesel (B99.9/B100) formulated in accordance with the Standard Specification forBiodiesel Fuel Blend Stock (B100) for Middle Distillate Fuels, ASTM D6751.d) Kerosene formulated in accordance with the Standard

16、Specification for Kerosine, ASTMD3699.e) Fuel Oil (heating oil) formulated in accordance with the Standard Specification for Fuel Oils,ASTM D396.1.3 Hose assemblies are intended for use in accordance with the Code for Motor Fuel DispensingFacilities and Repair Garages, NFPA 30A.1.4 These requirement

17、s cover hose and hose assemblies (hose with couplings attached) in sizes up toand including 1-1/2 inches (38.1 mm).1.5 Hose for conveying liquid fuel is intended for use at a maximum working pressure of 50 psig (345kPa).1.6 These requirements cover hose and hose assemblies for use at temperatures do

18、wn to minus 40C(minus 40F) or optionally down to minus 54C (minus 65F).1.7 These requirements do not cover hose or hose assemblies, intended for use in automotive vehiclesor in confined areas, except for locations inside the housings of dispensing devices complying with theOutline for Power-Operated

19、 Dispensing Devices for Diesel Fuel, Biodiesel Fuel, Diesel/Biodiesel Blendswith Nominal Biodiesel Concentrations Up to 20 Percent (B20), Kerosene, and Fuel Oil, UL 87B.NOVEMBER 2, 2012UL 330B6UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL1.

20、8 These requirements do not cover hoses or hose assemblies for use with any other fuel other than asdescribed in 1.2.2 General2.1 Units of Measurement2.1.1 When a value for measurement is followed by a value in other units in parentheses, the first statedvalue is the requirement.2.2 Undated Referenc

21、es2.2.1 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.3 Glossary3.1 For the purposes of this outline, the following definitions apply.3.2 DISPENSING DEVICE A product consisting

22、 of various components that is used to control andmeter the flow of liquid from an upstream storage device.3.3 REINFORCEMENT Natural or synthetic fibers or fabric, or metallic wire that is wrapped, braidedor spiral wound in one or more layers over the tube, intended to provide longitudinal and trans

23、verse(hoop) strength to the hose.3.4 SEAL, DYNAMIC A seal that is subject to mechanical movement or other applied forces thatresult in movement or flexing of the seal under normal use conditions.3.5 SEAL, STATIC A seal that is not subject to mechanical movement or other applied forces otherthan comp

24、ressing forces that are applied during installation and maintained during normal useconditions.PERFORMANCE4 Tube and Cover4.1 The tube shall be made from a material resistant to the fuels anticipated by these requirements.4.2 The cover shall be made from a material resistant to the fuels anticipated

25、 by these requirements andozone.4.3 The tube and cover shall be of uniform thickness, and free from pitting, blisters, or otherimperfections. This requirement is not intended to exclude the use of a corrugated cover.NOVEMBER 2, 2012 UL 330B 7UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODU

26、CTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL5 Thickness of Cover5.1 The thickness of the cover shall not be less than 0.047 inch (1.19 mm) when measured in accordancewith 5.2 5.6.5.2 For removing irregularities in samples, the buffing machine or skiving machine outlined in theStandard Practice fo

27、r Rubber Preparation of Product Pieces for Test Purposes from Products, ASTMD3183, is to be used.5.3 The abrasive wheel of the buffing machine is to be No. 30 60 grit and the diameter and rotaryvelocity of the wheel are to be such that it will have a peripheral speed of 4000 700 feet per minute (20.

28、33.6 m/s). The machine is to be provided with a slow feed so that very little compound can be removedat one cut to avoid overheating of the specimen.5.4 A dial micrometer graduated to 0.001 inch (0.03 mm) that exerts a load of 2.82 3.00 ounces (80 85 grams) by means of a weight is to be used to meas

29、ure thickness. he load is to be applied through aflat contact foot 0.25 0.01 inch (6.4 0.3 mm) in diameter.5.5 To determine the thickness of the tube and cover, a strip,68inches (152.4 203.2 mm) long and1 inch (25.4 mm) wide, or as close to 1 inch (25.4 mm) as possible from small diameter hose, is t

30、o be cutlongitudinally from the hose, and the part separated from the plies. When the thickness of the part is notuniform around the circumference of the hose, the strip is to be cut from the thinnest portion of the sample.5.6 The strip specimen is to be buffed or skived to remove the impressions le

31、ft by the fabric or braid orother surface irregularities, using the equipment described in 5.2 and 5.3. A series of five thicknessmeasurements are to be taken within the area from which the impressions have been removed, and themaximum reading obtained is to be taken as the thickness of the part.6 I

32、nternal Diameter6.1 The internal diameter of a hose shall be equal to the nominal diameter 1/32 inch (0.8 mm) for sizesup to and including 3/4 inch (19.0 mm) and 1/16 inch (1.6 mm) for larger sizes.6.2 A tapered plug gauge of wood or metal having a taper of 3/8 inch per foot (31.3 mm/m), marked toin

33、dicate variations of 1/64 inch (0.4 mm) in diameter, or a set of wood or metal plug gauges, straight orball type, in increments no greater than 0.01 inches (0.25 mm) for hoses in sizes 1 inch (25.4 mm) andless and 0.02 inches (0.51 mm) for hoses in sizes greater than 1 inch (25.4 mm), shall be used

34、formeasuring the internal diameter. An expanding ball gauge, and a micrometer or other equivalent meansto accurately measure the expanded ball, are required in some cases.6.3 The end of the hose is to be cut square. When a tapered plug gauge is used, the plug gauge is to beinserted in the hose sampl

35、e until a close fit is obtained without forcing. The diameter of the gauge at theend of the sample, to the nearest 1/64 inch (0.4 mm), is to be recorded as the internal diameter of thehose. When a set of straight or ball-type plug gauges is used, the diameter of the gauge, which wheninserted in the

36、hose sample gives a close fit without forcing, is to be recorded as the internal diameter ofthe hose. When the end of a wire-braided hose is constricted or flared, the inside diameter is to bemeasured 1 inch (25.4 mm) from the end to be representative of the inside diameter by means of anexpanding b

37、all gauge.NOVEMBER 2, 2012UL 330B8UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL7 Reinforcement7.1 Reinforcement, if present, shall be evenly and firmly applied over the tube of hose conveying liquidfuel.8 Electrical Bonding8.1 Hose and hose

38、 assemblies shall be constructed so as to provide an electrically conductive andbonding path between the couplings at each end of the length in order to dissipate static electricity.9 Couplings9.1 Couplings provided on hose assemblies shall be made from metals and shall be constructed with asection

39、for tightening with tools. See Materials, Section 10.9.2 The coupling provided on single-line hose assemblies shall have male pipe threads complying withthe Standard for Pipe Threads, General Purpose (Inch), ASME B1.20.1.10 Materials10.1 Metallic materials10.1.1 General10.1.1.1 A metallic part in co

40、ntact 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 fuel or if it will impair thefunction of the device. See the Long Term Exposure Test, Section, 27.10.1.1.2 The exposed surfaces of metallic

41、parts shall be resistant to atmospheric corrosion if thiscorrosion will lead to leakage of the fluid or if it will impair the function of the device. The material shallcomply with the requirements in Atmospheric corrosion, 10.1.2.10.1.1.3 Metallic parts in contact with the fuels anticipated by these

42、 requirements shall not be constructedof lead, or materials that are substantially lead. In addition, no coatings or platings containing lead shallbe used, such as terne-plated steel.10.1.1.4 With reference to the above requirements, metallic parts include metallic materials used to formfluid confin

43、ing parts as well as metallic coatings or plating that may be applied to a base material.NOVEMBER 2, 2012 UL 330B 9UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL10.1.2 Atmospheric corrosion10.1.2.1 Metallic materials used for fluid confining

44、 parts shall be resistant to atmospheric corrosion.Standard pipe and fittings conforming to the Standard for Welded and Seamless Wrought Steel Pipe,ASME B36.10M are acceptable when uncoated.10.1.2.2 A protective coating shall provide resistance against atmospheric corrosion to a degree not lessthan

45、that provided by the protective coatings specified in 10.1.2.3.10.1.2.3 Cadmium plating shall not be less than 0.0003 inch (0.008 mm) thick, and zinc plating shall notbe less than 0.0005 inch (0.013 mm) thick, except on parts where threads constitute the major portion ofthe area in which case the ca

46、dmium or zinc plating shall not be less than 0.00015 inch (0.0038 mm) thick.Metallic parts are considered to comply with 10.1.2.1 when they are protected against atmosphericcorrosion by:a) Hot dipped, mill galvanized sheet steel complying with the coating designation G90 in TableI of the Specificati

47、on for Sheet Steel, Zinc Coated (Galvanized) or Zinc-Iron-Alloy Coated(Galvannealed) by the Hot Dip Process, ASTM A653/A653M; orb) Coatings which have been determined to be equivalent to G90 under the requirements ofthe Standard for Organic Coatings for Steel Enclosures for Outdoor Use Electrical Eq

48、uipment,UL 1332.10.1.2.4 A metallic material other than as described in 10.1.2.1 10.1.2.3 shall be painted or protectedin a manner that has been determined to be equivalent.10.2 Nonmetallic materials10.2.1 General10.2.1.1 A nonmetallic part in contact with motor fuel shall be resistant to the action

49、 of the fuel ifdegradation of the material will result in leakage of the fuel, or if it will impair the function of the device.Gaskets and seals are tested in accordance with 10.2.1.2 10.2.3.2. Hose materials are tested inaccordance with the following:a) Tensile Strength and Elongation, Section 22;b) Accelerated Air Oven Aging Test, Section 23;c) Ozone Exposure, Section 24;d) Immersion Tests, Section 26.10.2.1.2 Gaskets or seals shall be designated as dynamic and/or static seals. See 3.4 and 3.5respectively. If the type of seal cannot be dete