UL SUBJECT 1356-2018 UL Outline for Investigation for Pipe Joint Sealing Compounds (Issue 5).pdf
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1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULJULY 13, 20181UL 1356Outline of Investigation for Pipe Joint Sealing CompoundsIssue Number: 5July 13, 2018Summary of TopicsThis fifth issue of the Outline of Investigation for Pipe Joint SealingC
2、ompounds, UL 1356, which covers sealing compound products suppliedin liquid, semiliquid, or heavy paste (stick) form, where the product isintended to make threaded metal pipe joints tight against leakage, is beingissued to add Supplement SA and Supplement SB to address test fluids.ULs Outlines of In
3、vestigation are copyrighted by UL LLC. Neither a printed norelectronic copy of an Outline of Investigation should be altered in any way. All ofULs Outlines of Investigation and all copyrights, ownerships, and rights regardingthose Outlines of Investigation shall remain the sole and exclusive propert
4、y of ULLLC.COPYRIGHT 2018 UL LLCUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULJULY 13, 2018UL 13562No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULCONTENTSINTRODUCT
5、ION1 Scope .42 General 43 Units of Measurement .44 Undated References 5PERFORMANCE5 General 56 Assembly Construction and Initial Pressure Testing .56.1 Test assemblies 56.2 Construction of assemblies 56.3 Tests for liquid fuel applications 86.4 Test for butane and propane applications 96.5 Test for
6、300 psig (2070 kPa) natural gas applications 107 Sprinkler System and Water Spray System Tests RESERVED 108 Electrical Resistance at Joints .109 Corrosion Tests 11IDENTIFICATION TESTS10 General 11MARKING11 General 11SUPPLEMENT SA E25A AND E85A TEST FLUIDSSA1 Details .SA1SUPPLEMENT SB B20 and B99.9/B
7、100 Test FluidsSB1 Details .SB1JULY 13, 2018 UL 1356 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULINTRODUCTION1 Scope1.1 These requirements are for use in the investigation of sealing compound products supplied in liquid,semiliquid, or hea
8、vy paste (stick) form, where the product is intended to make threaded metal pipe jointstight against leakage. These products are evaluated when applied in accordance with the manufacturersinstructions, to male threads of metal pipe assemblies. The products are rated for use in equipmentintended to h
9、andle gasoline, gasoline/ethanol blends, diesel fuel, biodiesel/diesel fuel, biodiesel, naphtha,benzene, kerosene, petroleum oils, natural gas, propane, or butane as specified by the manufacturer.1.2 The investigation includes tests for the sealing effectiveness of the product, and tests to determin
10、ethat the product does not cause significant corrosion of common metals or adversely affect the electricalcontinuity of pipe assemblies on which it is used. The investigation also includes analytical tests requiredfor product identification purposes.1.3 This outline of investigation does not cover t
11、he classification of the product in regard to itsflammability, the toxicity of the product or its vapors due to flammability or the effect of normal atmosphericconditions on the product while in storage or in use.1.4 If requested, the sealing of threaded joints in pipe sizes larger than 2 inches may
12、 be investigatedusing appropriate adaptation of tests described in Section68.Tests for uses other than those indicatedare not within the scope of these requirements.2 General2.1 Product application instructions deemed to be adequate for its proper use shall be provided by themanufacturer. The manufa
13、cturer shall also provide product composition information in sufficient detail topermit development of an appropriate analytical test program for product identification.3 Units of Measurement3.1 Values stated without parentheses are the requirement. Values in parentheses are explanatory orapproximat
14、e information.JULY 13, 2018UL 13564UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL4 Undated References4.1 Any undated reference to a code or standard appearing in the requirements of this outline ofinvestigation shall be interpreted as referr
15、ing to the latest edition of that code or standard.PERFORMANCE5 General5.1 Sealed pipe assemblies required for the following tests shall be made using product applied inaccordance with the manufacturers printed instructions.6 Assembly Construction and Initial Pressure Testing6.1 Test assemblies6.1.1
16、 Pipe assemblies are to be constructed in accordance with 6.1.2 6.1.4, from commercial gradeSchedule 40, minimum, malleable iron pipe and fittings (ANSI B16.3).6.1.2 The fittings used are to be threaded with tapered pipe threads cut in accordance with ASMEB1.20.1 NPT tapered pipe thread.6.1.3 The ma
17、ting male and female thread patterns are to be checked for evidence of damage to threadsand with regard to tolerance with ring and plug gauges manufactured in accordance with ASME B1.20.1.Only pipe and fittings that show no significant evidence of thread damage and that comply with ASMEB1.20.1 toler
18、ances shall be used to construct assemblies.6.1.4 Prior to assembly, thread patterns are to be cleaned thoroughly with a suitable degreasing solventto the extent that all traces of oil, grease, dirt, or rust are removed. Then the assembly shall be allowedto air dry at room temperature.6.2 Constructi
19、on of assemblies6.2.1 The test assemblies are to be constructed for each end-use application using one tee of the largestpipe size required for testing, a reducing bushing, pipe nipple, bell reducer to -inch pipe size, -inch pipenipple, -inch tee and -inch pipe nipple, with all open fittings closed
20、with a plug as illustrated in Figure6.1.This is generated text for figtxt.JULY 13, 2018 UL 1356 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULFigure 6.1Pipe assembly diagramJULY 13, 2018UL 13566UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FUR
21、THER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL6.2.2 For an assembly intended to be used for evaluation of the product for 300 psig (2070 kPa) naturalgas applications, the -inch plug in the -inch tee shall be replaced with a -inch nipple approximately8 inches long.6.2.3 The product under
22、 test is to be applied to the male threads of the joints in accordance with themanufacturers instructions.6.2.4 The assembly joints are to be tightened to the torque specified in Table 6.1.Table 6.1Torque requirements for pipe thread (NPT) connectionsNominal pipe size,aTorque,inches pounds-inches /
23、foot-pounds (Nm)1/8 150 /12.5 (16.9)1/4 250 / 21 (28.3)3/8 450 / 38 (51.9)1/2 800 / 67 (90.4)3/4 1000 / 83 (113.0)1 1200 / 100 (135.5)1-1/4 1450 / 121 (163.8)1-1/2 1550 / 129 (175.1)2 1650 / 138 (186.4)aANSI/ASME B1.20.16.2.5 After standing at room temperature for at least 24 hours or the minimum se
24、t up time specified bythe manufacturer, if less than 24 hours, each assembly shall be checked to verify an initial seal bypressurizing the assembly for 5 minutes with air in a room temperature water bath to 300 psig (2070 kPa)or the maximum pressure to which it will be subjected when charged with th
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