... -life 1.Raw material:PE(PE-X,PPR,PE-RT)& Steel2.PE(PE-X,PPR,PE-RT) STEEL PE pipe is made of five ... from 20mm to 200mm 3.This PE(PE-X,PPR,PE-RT)-STEEL-PE composite pipe is widely use for hot & ... 253;OHSMS;R.I.SO9001 Certificates verify,PE(PE-X,PPR,PE-RT) STEEL PE pipe is in top quality. 5.The ... management system.6.Liquid conveying psp pipe's specification:Dn(mm)Pipe Wall Thickness(mm)Working Pressures L ...