19 BULLETIN-2018

UL Standard for Safety Lined Fire Hose and Hose Assemblies (COMMENTS DUE: July 23@ 2018)


 

 

非常抱歉,我们暂时无法提供预览,您可以试试: 免费下载 19 BULLETIN-2018 前三页,或者稍后再访问。

如果您需要购买此标准的全文,请联系:

点击下载后,生成下载文件时间比较长,请耐心等待......

 

标准号
19 BULLETIN-2018
发布日期
2018年06月08日
实施日期
2018年08月17日
废止日期
中国标准分类号
/
国际标准分类号
/
发布单位
UL - UL
引用标准
12
适用范围
General Hose and hose assemblies in sizes 3?? and less shall be tested to determine the time to a 20 psi pressure loss in accordance with the method in this section. After the pressure loss@ the sample shall be removed from the radiant heat test apparatus and the leakage rate through the hose shall be determined. 36.1.2 Each color and uniquely striped or marked hose shall be tested. A minimum of 3 hose samples shall be tested to evaluate a hose. All visibly unique surfaces of the hose@ including but not limited to exposed stitching@ striping@ marking as required by Section 37@ and manufacturer??s logos shall be tested. More samples shall be tested as necessary to evaluate all visibly unique surfaces. Once the shortest time to pressure loss from the unique surfaces tested is determined@ a minimum of two additional samples for that surface shall be tested. The results from the surface with the shortest time to pressure loss shall be averaged and reported.




Copyright ©2007-2022 ANTPEDIA, All Rights Reserved
京ICP备07018254号 京公网安备1101085018 电信与信息服务业务经营许可证:京ICP证110310号