UL 651B CRD-2011 UL Standard for Safety Continuous Length HDPE Conduit - Section Paragraph Reference Table 11 1 and Table 13 1 Subject Crush load value and mandrel diameter value f.pdf
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1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULUNDERWRITERS LABORATORIES INC. CERTIFICATION REQUIREMENT DECISIONThis Certification Requirement Decision is prepared and published by Underwriters Laboratories Inc.(UL). It is normative for the a
2、pplicable UL Product Certification Program(s); however, it is currently notpart of the UL Standard(s) referenced below.Product Category (CCN): EAZXStandard Number: UL 651BEdition Date: August 29, 2007Edition Number: 2Section / Paragraph Reference: Table 11.1 and Table 13.1Subject: Crush load value a
3、nd mandrel diameter value for 2-1/2 trade sizeDECISION:Table 11.1Load for crush testTrade size (Metric designator) Load for a 6-inch (152-mm) specimenPercentagealbf N1/2 16 70 950 42253/4 21 70 750 33361 27 70 650 28901-1/4 35 75 500 22241-1/2 41 75 400 17802 53 75 300 13342-1/2 63 75 b 400 b 17803
4、78 75 500 22243-1/2 91 75 b b4 103 75 350 15575 129 b b b6 155 b b baThe number in this column is the percentage of its original length to which the minor axis of the loaded specimen can bereduced by the load and still be in compliance with the requirements.bTo be developedUL COPYRIGHTED MATERIAL NO
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