... of indispensable plastic piping. Polyethylene (PE), the application of pipeline for society and the enterprise to bring good economic, social and ... flow, save power consumption.4 and convenient constructionPE pipe light quality, gas density for steel 1/8, easy handling, flexible, simple, welding ... .Update Date:2010/6/10 2:37:44 Polyethylene gas pipe fitting HDPE gas pipe fitting PE gas pipe fitting