1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL 79B Power-Operated Pumps for Diesel Fuel, Biodiesel Fuel, Diesel/Biodiesel Blends with Nominal Biodiesel Concentrations up to 20 Percent (B20), Kerosene, and Fuel OilUL COPYRIGHTED MATERIAL
2、NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM ULUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL Standard for Safety for Power-Operated Pumps for Diesel Fuel, Biodiesel Fuel, Diesel/Biodiesel Blends with N
3、ominal Biodiesel Concentrations up to 20 Percent (B20), Kerosene, and Fuel Oil, UL 79B First Edition, Dated February 11, 2015 Summary of Topics This rst edition of the Standard for Power-Operated Pumps for Diesel Fuel, Biodiesel Fuel, Diesel/Biodiesel Blends with Nominal Biodiesel Concentrations up
4、to 20 Percent (B20), Kerosene, and Fuel Oil, ANSI/UL 79B, covers electrically-, hydraulically-, or pneumatically-driven power-operated pumps for use with petroleum products. The requirements are substantially in accordance with Proposal(s) on this subject dated October 17, 2014. All rights reserved.
5、 No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form by any means, electronic, mechanical photocopying, recording, or otherwise without prior permission of UL. UL provides this Standard as is without warranty of any kind, either expressed or implie
6、d, including but not limited to, the implied warranties of merchantability or tness for any purpose. In no event will UL be liable for any special, incidental, consequential, indirect or similar damages, including loss of prots, lost savings, loss of data, or any other damages arising out of the use
7、 of or the inability to use this Standard, even if UL or an authorized UL representative has been advised of the possibility of such damage. In no event shall ULs liability for any damage ever exceed the price paid for this Standard, regardless of the form of the claim. Users of the electronic versi
8、ons of ULs Standards for Safety agree to defend, indemnify, and hold UL harmless from and against any loss, expense, liability, damage, claim, or judgment (including reasonable attorneys fees) resulting from any error or deviation introduced while purchaser is storing an electronic Standard on the p
9、urchasers computer system. The requirements in this Standard are now in effect, except for those paragraphs, sections, tables, gures, and/or other elements of the Standard having future effective dates as indicated in the note following the affected item. The prior text for requirements that have be
10、en revised and that have a future effective date are located after the Standard, and are preceded by a SUPERSEDED REQUIREMENTS notice. FEBRUARY 11, 2015 UL 79B tr1UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL FEBRUARY 11, 2015 UL 79B tr2 N
11、o Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL February 11, 2015 1 UL 79B Standard for Power-Operated Pumps for Diesel Fuel, Biodiesel Fuel, Diesel/Biodiesel Blends with Nominal Biodiesel Concentrations up to 20 Percent (
12、B20), Kerosene, and Fuel Oil Prior to the rst edition, the requirements for the products covered by this standard were included in the Outline of Investigation for Power-Operated Pumps for Diesel Fuel, Biodiesel Fuel, Diesel/Biodiesel Blends with Nominal Biodiesel Concentrations up to 20 Percent (B2
13、0), Kerosene, and Fuel Oil, UL 79B. First Edition February 11, 2015 This ANSI/UL Standard for Safety consists of the First Edition. The most recent designation of ANSI/UL 79B as an American National Standard (ANSI) occurred on February 11, 2015. ANSI approval for a standard does not include the Cove
14、r Page, Transmittal Pages, Title Page, or effective date information. Comments or proposals for revisions on any part of the Standard may be submitted to UL at any time. Proposals should be submitted via a Proposal Request in ULs On-Line Collaborative Standards Development System (CSDS) at http:/. U
15、Ls Standards for Safety are copyrighted by UL. Neither a printed nor electronic copy of a Standard should be altered in any way. All of ULs Standards and all copyrights, ownerships, and rights regarding those Standards shall remain the sole and exclusive property of UL. COPYRIGHT 2015 UNDERWRITERS L
16、ABORATORIES INC. ANSI/UL 79B-2015UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL FEBRUARY 11, 2015 UL 79B 2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL CONTEN
17、TS INTRODUCTION 1 Scope .6 2 General 7 2.1 Components .7 2.2 Units of measurement .8 2.3 Undated references .8 3 Glossary .8 CONSTRUCTION 4 Assembly 9 5 Materials 10 5.1 Metallic materials 10 5.2 Nonmetallic materials 11 5.3 Materials system level 14 5.4 Casting impregnation materials 14 5.5 Interna
18、l parts .14 6 Bodies, Covers, and Heads .14 7 Drive-Shaft Seals 15 8 Diaphragms .15 9 Springs .15 10 Floats .16 11 Air Separators 16 12 Strainers .16 13 Outlet Pressure Regulation 17 14 Pressure Relief .18 15 Mounting and Base .18 16 Guards 18 17 Piping and Fittings 19 18 Hose Nozzle Valve, Hose, an
19、d Coupling .20 19 Conduit Seals 21 20 Electrical Equipment 22 21 Supply Connections .24 22 Current-Carrying Parts 26 23 Insulating Material 26 24 Internal Wiring 28 24.1 Mechanical protection .28 24.2 Types of wire 28 24.3 Splices and connections 29 25 Separation of Circuits .31 26 Capacitors .31 27
20、 Grounding .32 27.1 General .32 27.2 Grounding identication .33 28 Motors .34 28.1 Construction .34 28.2 Overload protection .34 28.3 Brushes and brush holders 35 29 Overload- or Thermal-Protective Devices 36 FEBRUARY 11, 2015 UL 79B 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION O
21、R DISTRIBUTION WITHOUT PERMISSION FROM UL 30 Switches and Controls .36 31 Spacings 37 PROTECTION OF PERSONNEL 32 General 39 33 Sharp Edges .39 34 Enclosures and Guards 40 35 Materials .43 36 Surface Temperatures .43 37 Locking Mechanism .44 38 Control Application 44 39 Secondary Circuits 44 39.1 Gen
22、eral .44 39.2 Protection of wiring .45 PERFORMANCE 40 General 45 41 Long Term Exposure Test .46 41.1 General .46 41.2 Samples 47 41.3 Method .47 41.4 Results .48 42 High Pressure Leakage Test .48 43 Endurance Test Pumps 50 44 Hydrostatic Strength Test 50 45 Retention Test for Screws and Bolts 51 46
23、Deformation Test .51 47 Leakage of Wire Seal Test .52 48 Endurance Test for Air Separators 53 49 Blocked Outlet Test .53 50 Pressure Relief Test 53 51 Float Buoyancy Test 53 52 Dimensional Stability of Floats Test .54 53 Weight Change of Floats Test 54 54 Float Crushing Test .55 55 10-Day Moist Ammo
24、nia-Air Stress Cracking Test .56 56 Tests on Sealing Compounds 56 57 Metallic Coating Thickness Test 57 58 Starting Current Test 59 59 Input Test 59 60 Temperature Test .59 60.1 General .59 60.2 Maximum normal load 63 61 Dielectric Voltage-Withstand Test .63 62 Grounding Continuity Test .64 63 Rain
25、Test 65 64 Submersion Test .68 65 Conductor Secureness Test 68 66 Insulation Resistance Test .68 67 Leakage Current Test .71 68 Pneumatic Parts Pressure Distortion Test 73 FEBRUARY 11, 2015 UL 79B 4UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FRO
26、M UL 69 Pneumatic Parts Endurance 74 70 Pneumatic Parts Impact Test .74 MANUFACTURING AND PRODUCTION 71 General 74 INSTRUCTIONS 72 General 76 RATING 73 Details .77 MARKING 74 General 77 75 Cautionary Markings 79 76 Permanence of Marking .80 SUPPLEMENT SA - Test Fluids SA.1 Representative aggressive
27、combustible test fuel mixtures .SA1 FEBRUARY 11, 2015 UL 79B 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL INTRODUCTION 1 Scope 1.1 These requirements cover products described in 1.2 when used with one or more of the fuels described in 1.
28、3. 1.2 These requirements cover electrically-, hydraulically-, or pneumatically-driven power-operated pumps for use with petroleum products in the following applications: a) Self-contained dispensing devices and submerged pumps used in storage tanks that provide the fuel to remote control dispensing
29、 devices. They are intended for operation at discharge pressures of 50 pounds per square inch (psig) (345 kPa), or the marked maximum discharge pressure rating, when less, with the ambient and liquid temperature within the range of minus 29C (minus 20F) 52C (125F). b) Dispensing systems to transfer
30、the fuel from a tank or container to a vehicle or another container. 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) 52C (125F). c) Vapor recovery applications for dispensing devices.
31、 They are intended to operate under a vacuum at the inlet and a maximum discharge pressure of 50 psig (345 kPa), or marked discharge pressure, whichever is less. 1.3 Pumps covered by these requirements are intended for use with one or more of the following: a) Diesel Fuel and diesel/biodiesel blends
32、 with nominal biodiesel concentrations up to 5 percent (B0 B5) formulated in accordance with the Standard Specication for Diesel Fuel Oils, ASTM D975. b) Diesel/biodiesel blends with nominal biodiesel concentrations from 5 percent up to 20 percent (B6 B20) formulated in accordance with the Standard
33、Specication for Diesel Fuel Oil, Biodiesel Blends (B6 B20), ASTM D7467. c) Biodiesel (B99.9/B100) formulated in accordance with the Standard Specication for Biodiesel Fuel Blend Stock (B100) for Middle Distillate Fuels, ASTM D6751. d) Kerosene formulated in accordance with the Standard Specication f
34、or Kerosine, ANSI/ ASTM D3699. e) Fuel Oil (Heating Oil) formulated in accordance with the Standard Specication for Fuel Oils, ASTM D396. 1.4 Requirements for the installation and use of these products are included in the Flammable and Combustible Liquids Code, ANSI/NFPA 30; the Motor Fuel Dispensin
35、g Facilities and Repair Garages Code, ANSI/NFPA 30A; and the National Electrical Code, ANSI/NFPA 70. FEBRUARY 11, 2015 UL 79B 6UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 1.5 These requirements do not cover: a) Oil burner pumps, which ar
36、e evaluated under the Standard for Pumps for Oil-Burning Appliances, UL 343. b) Pumps for engine-powered automotive equipment. c) Pumps for marine use which are evaluated under the Standard for Mechanically and Electrically Operated Fuel Pumps for Marine Use, UL 1130. d) Pumps for use in chemical, p
37、etrochemical, or petroleum processing plants; utility power plants; petroleum production facilities; pipeline pump stations; pipeline or marine terminals; or bulk plant distribution and related facilities. e) Pumps used in mobile applications, such as on tank trucks, portable tanks, or portable cont
38、ainers mounted on vehicles. f) Pumps rated more than 600 volts. g) Pump assemblies also provided with a ammable liquid meter or electrically-operated shutoff valve, which are evaluated in accordance with the Standard for Power-Operated Dispensing Devices for Gasoline and Gasoline/Ethanol Blends with
39、 Nominal Ethanol Concentrations up to 85 Percent (E0 E85), UL 87A. h) Pumps intended for use with gasoline and gasoline/ethanol blends which are evaluated in accordance with the Standard for Power Operated Pumps for Gasoline and Gasoline/Ethanol Blends with Nominal Ethanol Concentrations up to 85 Pe
40、rcent (E0 E85), UL 79A. 1.6 The pump assembly may be constructed such that it provides for the installation and use of a hose and hose nozzle valve. 2 General 2.1 Components 2.1.1 Except as indicated in 2.1.2, a component of a product covered by this standard shall comply with the requirements for t
41、hat component. 2.1.2 A component is not required to comply with a specic requirement that: a) Involves a feature or characteristic not required in the application of the component in the product covered by this standard, or b) Is superseded by a requirement in this . 2.1.3 A component shall be used
42、in accordance with its rating established for the intended conditions of use. FEBRUARY 11, 2015 UL 79B 7UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 2.1.4 Specic components are incomplete in construction features or restricted in performa
43、nce capabilities. Such components are intended for use only under limited conditions, such as certain temperatures not exceeding specied limits, and shall be used only under those specic conditions. 2.1.5 Electrical components, including motors and wiring, when incorporated by a manufacturer in an a
44、ssembly with a pump, and including the means provided in the pump assembly 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 measurement 2.2.1 Value
45、s stated without parentheses are the requirement. Values in parentheses are explanatory or approximate information. 2.3 Undated references 2.3.1 Any undated reference to a code or standard appearing in the requirements of this shall be interpreted as referring to the latest edition of that code or s
46、tandard. 3 Glossary 3.1 For the purpose of this standard, the following denitions apply. 3.2 DIESEL/BIODIESEL BLENDS Blended fuels composed of a diesel component and a biodiesel component. The numerical value corresponding to the biodiesel component determines the blend rating (such as B20 for 20% b
47、iodiesel and 80% diesel). 3.3 HAZARDOUS LOCATIONS Locations in which ammable gases or vapors are or may be present in the air in quantities sufficient to produce explosive or ignitable mixture. 3.4 INTRINSICALLY SAFE CIRCUIT A circuit incapable of releasing sufficient electrical energy under normal
48、or abnormal conditions to cause ignition of a specic hazardous atmospheric mixture. Abnormal conditions include unintentional damage to any part of the equipment or wiring, insulation or other malfunction of electrical components, application of overvoltage, adjustment and maintenance operations, an
49、d other similar conditions. 3.5 LINE-VOLTAGE CIRCUIT A circuit involving a potential of not more than 600 volts and having circuit characteristics in excess of those of a low-voltage circuit. 3.6 LOW-VOLTAGE CIRCUIT A circuit involving a peak open-circuit potential of not more than 42.2 volts supplied by: a) A battery; b) A Class 2 transformer; or c) A combination of a transformer and a xed impedance that, as a unit, complies with the performance requirements for Class 2 transfo
