T/ZZB 0655-2018 Large-diameter enhanced composite type polyethylene woven structure wall pipe material
T/ZZB 0655-2018 Large-diameter enhanced composite type polyethylene woven structure wall pipe material
Basic Information
Scope
Main technical content: This standard specifies the terms and definitions, symbols and abbreviations, pipe grade and marking, basic requirements, structural types and connection methods, technical requirements, test methods, inspection rules, marking, transportation and storage, and quality commitments for large-diameter reinforced composite polyethylene wrapped structural wall pipes (hereinafter referred to as "pipes") used for underground applications. This standard applies to large-diameter structural wall pipes and fittings made from polyethylene resin as the main raw material and polypropylene resin as the auxiliary support structure, using winding molding and other processes, and used in underground drainage and sewage projects with a long-term working temperature below 45 °C.