T/ZZB 1175-2019
Single forming hot plug type high density polyethylene hollow winding tube (English Version)
- Standard No.
- T/ZZB 1175-2019
- Language
- Chinese, Available in English version
- Release Date
- 2019
- Published By
- Group Standards of the People's Republic of China
- Latest
- T/ZZB 1175-2019
- Scope
- This standard specifies the terms and definitions, symbols, abbreviations, product grades and markings, basic requirements, structural types and connection methods, technical requirements, test methods, and inspection rules for one-time molded hot-melt socket-type high-density polyethylene hollow winding pipes. , transportation, storage and quality commitments. This standard is applicable to pipes made of polyethylene (PE100 grade) resin as the main raw material, which are made into square pipes by hot melting at 220°C, spirally welded and wound, and made by a mold casting and socket molding process (both sides of the pipe include bearings, jack). The pipes specified in this standard are suitable for underground drainage, sewage and other projects where the long-term operating temperature is below 45°C.
T/ZZB 1175-2019 history
- 2019 T/ZZB 1175-2019 Single forming hot plug type high density polyethylene hollow winding tube
