UL SUBJECT 2119-2006 Outline of Investigation for Protective Shielding Guards for Plumbing (Issue 2)《管道工程用防护罩调查大纲 发布编号 2》.pdf

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1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULDecember 21, 20061SUBJECT 2119OUTLINE OF INVESTIGATIONFORPROTECTIVE SHIELDING GUARDS FOR PLUMBINGIssue Number: 2December 21, 2006Summary of TopicsThis new issue of SU 2119 is being issued through

2、 ULs electronicpublishing system to ensure format uniformity between the PDF andHTML versions of the document. No substantive changes have beenincorporated in the document.The UL Foreword is no longer located within the UL Standard. For informationconcerning the use and application of the requiremen

3、ts contained in thisStandard, the current version of the UL Foreword is located onULStandardsInfoNet at: http:/ 2006 UNDERWRITERS LABORATORIES INC.UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULDECEMBER 21, 2006SUBJECT 21192No Text on This Pa

4、geUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULCONTENTSINTRODUCTION1 Scope .42 Units of Measurements 43 Glossary .4PERFORMANCE4 Sharp Edge Test 45 Temperature Test .76 Securement Test 77 Mold Stress Test 78 Impact Test 8MARKING9 General .10

5、DECEMBER 21, 2006 SUBJECT 2119 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULINTRODUCTION1 Scope1.1 These requirements cover plumbing products intended to meet the applicable parts of ANSI/CABOA117.1-1992, Accessible and Usable Buildings an

6、d Facilities and the Code of Federal Regulations No. 36,Appendix A to Part 1191-Americans With Disabilities Act (ADA), as of July 1, 1995, Article 4.19.4 of theAmerican with Disabilities Act.1.2 A product that contains features, characteristics, components, materials, or systems new or differentfrom

7、 those covered by the requirements in this Outline of Investigation, and that involve a risk of fire,electric shock, or injury to persons shall be evaluated using the appropriate requirements are required tomaintain the level of safety as originally anticipated by the intent of this Outline of Inves

8、tigation. A productwhose features, characteristics, components, materials, or systems conflict with specific requirements orprovisions of this Outline of Investigation is not judged to comply with this Outline of Investigation. Whereappropriate, revision of requirements are proposed and adopted in c

9、onformance with the methodsemployed for development, revision, and implementation of this Outline of Investigation.2 Units of Measurements2.1 When a value for measurement is followed by a value in other units in parentheses, the first statedvalue is the requirement.3 Glossary3.1 For the purpose of t

10、his Outline of Investigation, the following definition applies.3.2 Thermoprotection The condition that exists when the thermal transfer of heat or cold has beeninsulated and external temperature of the product has been evaluated.PERFORMANCE4 Sharp Edge Test4.1 Any edges which are able to be contacte

11、d after installation shall be evaluated by 4.2 4.6.4.2 The application of the sharp-edge tester shown in Figure 4.1 or 4.2 to an accessible edge asdescribed in 4.3 4.7 shall not result in the cutting through of the two outer layers of the sensing tapes.This is generated text for figtxt.DECEMBER 21,

12、2006SUBJECT 21194UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULFigure 4.1Preparation of headFigure 4.2Test procedureDECEMBER 21, 2006 SUBJECT 2119 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMIS

13、SION FROM UL4.3 The curved face of the tester head shall be covered with three layers of tape in the order indicatedbelow:a) First Layer (Inner Layer) Indicating type, black vinyl foam tape.b) Second Layer (Middle Layer) Sensing Tape No. 2, white vinyl foam tape.c) Third Layer (Outer Layer) Sensing

14、Tape No. 1, tetrafluorethylene tape.4.4 Each tape is to be applied over 180 degrees of the circumference of the test head to preventstretching of the tape.4.5 The tapes are not to be stretched when positioned on the head. See Figure 4.1.4.6 The center of the tape-covered head of the sharp-edge teste

15、r is to be positioned on the edge to betested in the manner illustrated in Figure 4.2. The arm of the tester is to be between stops so that thetape-covered head exerts a 1-1/2 lbf (6.7 N) on the edge. The tester is to be immediately moved alongthe edge a distance of 2 inches (50.8 mm) and then back

16、to its starting position without removal of thetester from the edge. It then is to be withdrawn from the edge. The total distance of engagement betweenthe edge and the tape-covered head is not to exceed 4 inches (101 mm). The time of travel is not to takelonger than 5 seconds nor less than 2 seconds

17、.Exception: An edge less than 2 inches (50.8 mm) long shall be tested for a distance of twice its length.For example, for an edge 1-1/2 inches (41.2 mm) long, the tester is to be moved along its length and backto the starting position so that the total distance of engagement between the edge and tes

18、ter is 3 inches(76.2 mm).DECEMBER 21, 2006SUBJECT 21196UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL4.7 The tape-covered head shall be examined to determine whether or not penetration has occurredthrough the two sensing layers. When penetra

19、tion has occurred through the two sensing layers, the blackindicating tape is visible through the resulting cut.5 Temperature Test5.1 One sample is to be installed per the manufacturers instructions. Water at 158 2F (70 3.6C) isto continuously flow through the plumbing until the temperature of all a

20、ccessible surfaces stabilizes.5.2 The temperatures on accessible surfaces shall not exceed 122F (50C).6 Securement Test6.1 One sample is to be installed per the manufacturers instructions.6.2 A clamp capable of applying a tension load is to be attached to the sample.6.3 A loading device with a self

21、indicating gauge with an accuracy of 0.5 lb is to be used to apply theload.6.4 The sample is to have a tensile load of 15.5 5 lb applied parallel to the major axis of the sample for5 seconds. The load is then applied perpendicular to the major axis of the sample for 10 seconds.6.5 Following applicat

22、ion of the loads described in 6.4, the sample shall not loosen or permanently deformto expose parts which do not comply with Section 4, Sharp Edge Test, and Section 5, Temperature Test.7 Mold Stress Test7.1 One sample is to be placed in a full draft circulating air oven maintained at a uniform tempe

23、rature atleast 18F (10C) higher than the maximum temperature of the material measured under actual operatingconditions, and not less than 158F (70C) in any case. The sample is to remain in the oven for 7 hours.7.2 Following oven exposure, the sample is to be cooled to room temperature.7.3 The sample

24、 shall then be examined for deformation. The sample shall not be deformed so as toexposure a persons to sharp edges or to hot or cold temperatures.DECEMBER 21, 2006 SUBJECT 2119 7UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL8 Impact Test8.1

25、 Samples which are to be installed in unconditioned spaces are to be cooled to a temperature ofminus 31.0 5.4F (minus 35.0 3.0C) and are to be maintained at this temperature for 3 hours. Each ofthree samples shall be subjected to a single impact. This impact is to be produced by dropping a steelsphe

26、re, 2 inches (50.8 mm) in diameter, and weighing 1.18 lb (0.535 kg) mass from the height requiredto produce the specified impact as shown in Figure 8.2. However, when the manufacturer so elects, fewersamples are to be used in accordance with Figure 8.1. Completion of any one of the sequencesrepresen

27、ted in Figure 8.1 shows compliance.This is generated text for figtxt.Figure 8.1Procedures for impact testsEach series consists of three drops or one ball impact on each sample as applicableDECEMBER 21, 2006SUBJECT 21198UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WI

28、THOUT PERMISSION FROM ULFigure 8.2Ball impact tests1 Vertical distance the sphere must travel to produce the specified impact.2 For the ball-pendulum impact test the sphere is to contact the test sample when the string is in the vertical position as shown.3 The backing surface is to consist of 19 mm

29、 (3/4 inch) plywood over a rigid surface of concrete or an equivalent nonresilientbacking surface.DECEMBER 21, 2006 SUBJECT 2119 9UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL8.2 There shall be no cracking, splitting, denting, or breaking o

30、f the sample which results in a risk of injuryto persons or exposure of cold or hot parts to persons.MARKING9 General9.1 Plumbing guards shall be legibly marked with the following:a) Manufacturers name, private labelers, or identifying symbol.b) When plumbing guard is intended for use in uncondition

31、ed spaces it shall be marked foruse in unconditioned space.9.2 All markings shall be legible and permanent as provided by a stamp or mold in a casting, and shallcomply with the requirements in the Standard for Marking and Labeling Systems, UL 969. All labelscomplying with UL 969 shall be rated for t

32、he equipment surface.9.3 When the manufacturer produces plumbing guards at more than one factory, the plumbing guard shallhave a distinctive marking to identify the place of manufacture.9.4 Each plumbing guard shall be provided with installation instructions that specify the method ofplumbing guard assembly.DECEMBER 21, 2006SUBJECT 211910