EN ISO 11299-2:2018
地下铺设送气管道维修用塑料管道系统. 第2部分: 连续管道衬里

地下铺设送气管道维修用塑料管道系统. 第2部分: 连续管道衬里 是非强制性国家标准，您可以免费下载预览页

非常抱歉，我们暂时无法提供预览，您可以试试：免费下载 EN ISO 11299-2:2018 前三页，或者稍后再访问。

您也可以尝试购买此标准，
点击右侧 “购买” 按钮开始采购（由第三方提供）。

注意：点击下载后，生成下载文件时间比较长，请耐心等待......

适用范围: This document@ read in conjunction with ISO 11299?1@ specifies requirements and test methods for pipes and fittings which are part of plastics piping systems installed as continuous pipes in the renovation of underground gas supply networks. It is applicable to polyethylene (PE) pipes of three different types: ?? PE solid wall single layered pipes (nominal outside diameter@ dn)@ including any identification stripes; ?? PE pipes with co-extruded layers on either or both the outside and inside of the pipe (total outside diameter@ dn)@ as specified in Annex A@ where all layers have the same MRS rating; ?? Coated PE pipes (outside diameter@ dn) having a peelable@ contiguous@ thermoplastics additional layer on the outside of the pipe (??coated pipe??)@ as described in Annex A. In addition it covers: ?? jointing of pipe lengths by means of butt fusion; ?? fabricated and injection-moulded fittings made of PE; It is applicable to PE pipes@ fittings and assemblies intended to be used at an operating temperature of 20 ??as the reference temperature. NOTE For other operating temperatures@ guidance is given in ISO 4437?5:2014.

EN ISO 11299-2:2018地下铺设送气管道维修用塑料管道系统. 第2部分: 连续管道衬里