1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULJune 12, 20131UL 1362OUTLINE OF INVESTIGATIONFORGAS BOOSTERSIssue Number: 1June 12, 2013Summary of TopicsThis first issue of the Outline of Investigation for Gas Boosters, UL 1362,covers requirem
2、ents for gas boosters, rated 600 V or less, intended foruse in natural or manufactured gas piping systems to increase the gasline pressure to that indicated on the device.COPYRIGHT 2013 UNDERWRITERS LABORATORIES INC.UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHO
3、UT PERMISSION FROM ULJUNE 12, 2013UL 13622No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULCONTENTSINTRODUCTION1 Scope .42 General 42.1 Components .42.2 Units of measurement .52.3 Undated references .53 Glossary .54 Pressure
4、, Temperature and Gas Service Ratings .5CONSTRUCTION5 General 66 Electrical Connections .67 Accessibility 68 Motors 139 Gaskets, Seals, O-Rings 13PROTECTION AGAINST INJURY TO PERSONS10 General 1411 Sharp Edges .1412 Enclosures and Guards 1413 Materials .1514 Rotating or Moving Members .1615 Parts Su
5、bject to Pressure 16PERFORMANCE16 General 1617 Deformation Test .1618 Input Test 1719 Blocked Outlet Test .1720 Temperature Test .1820.1 General .1821 External Leakage Test 2122 Hydrostatic Strength Test 22MARKINGS23 General 22INSTRUCTIONS24 General 23JUNE 12, 2013 UL 1362 3UL COPYRIGHTED MATERIAL N
6、OT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULINTRODUCTION1 Scope1.1 These requirements cover gas boosters, rated 600 V or less, intended for use in natural ormanufactured gas piping systems to increase the gas line pressure to that indicated on the device.1.2 Devic
7、es and equipment covered by these requirements are intended for use indoors and are intendedto be installed in systems covered by the National Fuel Gas Code, NFPA 54, or the National ElectricalCode, NFPA 70.1.3 These requirements do not cover devices intended to be installed on a vehicle.1.4 These r
8、equirements do not cover devices intended to be used:a) With liquids or gases other than as indicated above, orb) With liquids under cryogenic temperatures less than minus 60C (minus 76F).1.5 These requirements do not cover gas booster compressor equipment which is covered by theStandard for Househo
9、ld and Similar Electrical Appliances, Part 2: Particular Requirements forMotor-Compressors, UL 60335-2-34.2 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 need not comply
10、 with a specific requirement that:a) Involves a feature or characteristic not needed 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 intende
11、d 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 conditions, such as certaintemperatures not exceeding specified limits, and shall be used only under those specific c
12、onditions.JUNE 12, 2013UL 13624UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL2.2 Units of measurement2.2.1 Values stated without parentheses are the requirement. Values in parentheses are explanatory orapproximate information.2.3 Undated ref
13、erences2.3.1 Any undated reference to a code or standard appearing in the requirements of this standard shallbe interpreted as referring to the latest edition of that code or standard.3 Glossary3.1 For the purpose of this Outline of Investigation, the term device refers to gas boosters covered bythe
14、 scope of this document. In addition, the following definitions apply.3.2 GAS Includes natural gas and manufactured gas.3.3 GAS BOOSTER A device that will increase the gas line pressure to a specified value.3.4 HERMETICALLY SEALED A method to prevent the entrance of an external atmosphere and inwhic
15、h the seal is made by fusion, such as soldering, brazing, welding, or the fusion of glass to metal.3.5 MANUFACTURED GAS Synthetically produced mixture of methane and other gases, such ascarbon monoxide, produced by chemically treating coal.3.6 NATURAL GAS A naturally occurring hydrocarbon gas mixtur
16、e consisting primarily of methane,along with other hydrocarbons, carbon dioxide, nitrogen, and hydrogen sulfide.4 Pressure, Temperature and Gas Service Ratings4.1 The pressure rating of a device shall include the inlet pressure and differential pressure (or outletpressure) and shall be marked on the
17、 product. See 23.1.4.2 Devices covered by these requirements are intended for use at ambient temperatures within therange of minus 40 to plus 130F (minus 40 to plus 55C).JUNE 12, 2013 UL 1362 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULCO
18、NSTRUCTION5 General5.1 A gas booster shall include all of the components necessary for its intended function and installation,and shall be furnished as a single unit or assembly.5.2 For devices intended for use in a classified area, or devices rated for use in a classified area,electrical components
19、, including the motor, when incorporated into the assembly of a gas booster,including the means provided in the assembly for electrical connections, shall comply with therequirements for equipment for use in hazardous locations, Class I, Group D, Division 1 or 2, (or Zone 1or 2, respectively), as ap
20、propriate, in the National Electrical Code, NFPA 70, Articles 500 and 501 (Article505 for Zone Classification), depending upon the installation in accordance with National Fuel Gas Code,NFPA 54.5.3 With reference to 5.2, such electrical components shall comply with the applicable standard for thepro
21、tection technique employed; for example explosion proof equipment shall comply with the Standard forExplosion-Proof and Dust-Ignition-Proof Electrical Equipment for Use in Hazardous (Classified) Locations,UL 1203.6 Electrical Connections6.1 Devices shall be connected by permanent wiring. No cord con
22、nection is allowed.6.2 Wiring connections shall be made within a junction box or explosion proof junction box as needed.The junction box shall be formed of metallic materials.7 Accessibility7.1 To reduce the likelihood of unintentional contact that may involve a risk of electric shock from anuninsul
23、ated live part or film-coated wire, or injury to persons from a moving part, an opening in anenclosure shall comply with either of the following:a) For an opening that has a minor dimension (see 7.5) less than 1 inch (25.4 mm), such apart or wire shall not be contacted by the probe illustrated in Fi
24、gure 7.1.b) For an opening that has a minor dimension of 1 inch or more, such a part or wire shall bespaced from the opening as specified in Table 7.1.Exception: A motor need not comply with these requirements if it complies with the requirements in 7.2.JUNE 12, 2013UL 13626UL COPYRIGHTED MATERIAL N
25、OT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULTable 7.1Minimum acceptable distance from an opening to a part that may involve a risk of electric shockor injury to personsMinor dimensionaof opening, Minimum distance from opening to part,inchesb(millimeters)binchesb(m
26、illimeters)b3/4c19.1 4-1/2 114.01c25.4 6-1/2 165.01-1/4 31.8 7-1/2 190.01-1/2 38.1 12-1/2 318.01-7/8 47.6 15-1/2 394.02-1/2 54.0 17-1/2 444.0d30 762.0aSee 7.5.bBetween 3/4 inch and 2-1/2 inches, interpolation is to be used to determine a value between values specified in the table.cAny dimension les
27、s than 1 inch applies to a motor only.dMore than 2-1/2 inches, but not more than 6 inches (152 mm).7.2 With respect to a part or wire as mentioned in 7.1, in an integral enclosure of a motor as mentionedin the exception to 7.1:a) An opening that has a minor dimension (see 7.5) less than 3/4 inch (19
28、.1 mm) is acceptableif:1) A moving part cannot be contacted by the probe illustrated in Figure 7.2;2) Film-coated wire cannot be contacted by the probe illustrated in Figure 7.3;3) In a directly accessible motor (see 7.6), an uninsulated live part cannot be contactedby the probe illustrated in Figur
29、e 7.4; and4) In an indirectly accessible motor (see 7.6), an uninsulated live part cannot becontacted by the prove illustrated in Figure 7.2.b) An opening that has a minor dimension of 3/4 inch or more is acceptable if a part or wire isspaced from the opening as specified in Table 7.1.This is genera
30、ted text for figtxt.JUNE 12, 2013 UL 1362 7UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULFigure 7.1Articulate probe with web stopJUNE 12, 2013UL 13628UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERM
31、ISSION FROM ULFigure 7.2Probe for moving parts and uninsulated live partsJUNE 12, 2013 UL 1362 9UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULFigure 7.3Probe for film-coated wireJUNE 12, 2013UL 136210UL COPYRIGHTED MATERIAL NOT AUTHORIZED FO
32、R FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULFigure 7.4IEC articulate probeJUNE 12, 2013 UL 1362 11UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL7.3 The probes mentioned in 7.1 and 7.2 and illustrated in Figures 7.1 7.4 sh
33、all be applied to any depththat the opening will permit, and shall be rotated or angled before, during, or after insertion through theopening to any position that is necessary to examine the enclosure. The probes illustrated in Figures 7.1and 7.4 shall be applied in any possible configuration; and,
34、if necessary, the configuration shall bechanged after insertion through the opening.7.4 The probes mentioned in 7.3 and 7.5 shall be used as measuring instruments to judge theaccessibility provided by an opening and not as instruments to judge the strength of a material; they shallbe applied with th
35、e minimum force necessary to determine accessibility.7.5 With reference to the requirements in 7.1 and 7.2, the minor dimension of an opening is the diameterof the largest cylindrical probe having a hemispherical tip that can be inserted through the opening.7.6 With reference to the requirements in
36、7.2:a) An indirectly accessible motor is a motor that is:1) Accessible only by opening or removing a part of the outer enclosure, such as aguard or panel, that can be opened or removed without using a tool, or2) Located at such a height or is otherwise guarded or enclosed so that it is unlikely tobe
37、 contacted.b) A directly accessible motor is a motor that:1) Can be contacted without opening or removing any part, or2) Is located so as to be accessible to contact.7.7 During the examination of a product to determine whether it complies with the requirements in 7.1 or7.2, a part of the enclosure t
38、hat may be opened or removed by the user without using a tool is to beopened or removed.7.8 With reference to the requirements in 7.1 and 7.2, insulated brush caps are not required to beadditionally closed.JUNE 12, 2013UL 136212UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRI
39、BUTION WITHOUT PERMISSION FROM UL8 Motors8.1 Motors provided as part of a device shall comply with one of the following:a) An ordinary locations use motor complying with the Standard for Rotating ElectricalMachines General Requirements, UL 1004-1, and thermal protection in accordance with theStandar
40、d for Thermally Protected Motors, UL 1004-3;b) An ordinary locations use motor complying with the Standard for Rotating ElectricalMachines General Requirements, UL 1004-1 and the Standard for Inverter Duty Motors, UL1004-8, when protected by a motor controller with integral motor overload protection
41、 inaccordance with the Standard for Power Conversion Equipment, UL 508C, or the Standard forAdjustable Speed Electrical Power Drive Systems, Part 5-1: Safety Requirements Electrical,Thermal, and Energy, UL 61800-5-1;c) A Class 1, Division 2 motor complying with the Outline for Electric Motors and Ge
42、nerators forUse in Class 1, Division 2 and Class II, Division 2, Hazardous (Classified) Locations, UL 1836;ord) A Class I, Division 1 motor complying with the Standard for Electric Motors and Generatorsfor Use in Hazardous (Classified) Locations, UL 674.9 Gaskets, Seals, O-Rings9.1 Gaskets, seals, a
43、nd o-rings shall be suitable for exposure to natural gas and manufactured gas inaccordance with the Standard for Gaskets and Seals, UL 157.9.2 As an alternative to 9.1, a gasket, sealing material, or O-ring shall comply with the followingrequirements in 9.3 9.6.9.3 An infrared spectroscopy shall be
44、performed on the material as a means to identify the compound.This test shall be performed in accordance with the Standard for Polymeric Materials Short TermProperty Evaluations, UL 746A.9.4 Tensile Strength and Elongation tests shall be performed in accordance with the Standard forGaskets and Seals
45、, UL 157. The test fluid shall be IRM 903 oil and n-Hexane, and the material shall retaina minimum of 60% of its original value.9.5 Volume change tests shall be performed in accordance with theStandard for Gaskets and Seals, UL157. The test fluid shall be IRM 903 oil and n-Hexane, and the material s
46、hall show a volume change withinthe range of minus 1 to 25% of its original volume.9.6 Extraction tests shall be performed in accordance with the Standard for Gaskets and Seals, UL 157.The test fluid shall be n-Hexane, and the material shall show a weight change of less than 10% of itsoriginal value
47、.JUNE 12, 2013 UL 1362 13UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULPROTECTION AGAINST INJURY TO PERSONS10 General10.1 If the operation and maintenance of a product by the user involves a risk of injury to persons, meansshall be provided
48、to reduce the risk.10.2 When judging a product with respect to the requirement in 10.1, consideration shall be given toreasonably foreseeable misuse of the product.10.3 Whether a guard or the like is required and whether such a device is adequate shall be determinedfrom an investigation of the compl
49、ete product, its operating characteristics, and the likelihood of a risk ofinjury to persons resulting from a cause other than gross negligence. The investigation shall includeconsideration of the results of breakdown or malfunction of any component; but not more than onecomponent at a time, unless one event contributes to another. If the investigation shows that breakdownor malfunction of a particular component can result in a risk of injury to persons, that component shall beinvestigated for reliability.10.4 Specific constructions, tests, markings,
