Product Standards Cov txheej txheem tseem ceeb hauv tebchaws yog GB / T 28799 series ntawm "Heat-Resistant Polyethylene (PE-RT) Piping Systems rau Cov Dej Kub thiab Txias". Ntawm lawv, Ntu 2 "Cov Yeeb Nkab" (GB/T 28799.2-2020) tau tshaj tawm thaum Lub Kaum Ib Hlis 19, 2020 thiab siv rau Lub Rau Hli 1, 2021, hloov xyoo 2012 version (GB/T 28799.2-2012 tus qauv: ISO 2012), thiab tau txais tsis sib npaug. [9] Ntu 4 "Valves" (GB/T 28799.4-2024) tau tso tawm thaum Lub Peb Hlis 15, 2024 thiab siv rau lub Kaum Hlis 1, 2024. [10] Cov qauv kev lag luam suav nrog CJ / T 175-2002 "Heat-resistant Polyethylene (PE-RT) Piping Systems". Engineering Standards
Technical Specification rau Polyethylene Piping Engineering rau Tsev Siv Dej CJJ / T98-2003, J279-2003.
Ua kom tiav Phau Ntawv Tshaj Lij Tshaj Lij Tshaj Lij Tshaj Lij rau Kev Tsim, Kev Tsim Kho, Kev Txhim Kho thiab Kev Txais Zoo ntawm Kev Siv Dej thiab Dej Dej Engineering.
Kev txhim kho cov kav dej yas SS405-1 ~ 4.
Raw Material Standards
Cov khoom siv raw khoom suav nrog * Cov Khoom Siv Tshwj Xeeb rau Thaum Tshav Kub Kub -Resistant Polyethylene (PE-RT) rau Cov Kav Dej Kub thiab Dej Txias Kav * SH/T 1823-2019.
Kev Ntsuas Cov Qauv
Cov qauv kev xeem suav nrog cov qauv thoob ntiaj teb xws li ISO 9080: 2012 (Kev txiav txim siab ntev- Lub Sijhawm Hydrostatic Strength), ISO 527-2: 2012 (Kev txiav txim siab ntawm Tensile Properties), ISO 1133: 2023 (Kev txiav txim siab ntawm Melt Flow Rate); thiab cov qauv hauv tebchaws xws li GB / T 19466.6-2009 (Kev txiav txim siab ntawm Oxidation Induction Time).
International Standards
Cov qauv thoob ntiaj teb feem ntau xa mus rau ISO 22391 series (Cov kav dej yas rau cov dej kub thiab txias - Thaum tshav kub kub- tiv taus polyethylene (PE-RT)).
