Cov qauv siv ntawm cov yeeb nkab braided yog GB/T23448-2009 lossis JC886-2001. Vim hais tias cov yeeb nkab braided feem ntau yog siv rau hauv cov dej sib txuas ntawm cov khoom siv huv huv lossis cov khoom siv dej haus, cov dej ncaj qha mus rau tib neeg cov tawv nqaij los yog qaug cawv ncaj qha tom qab dhau los ntawm cov yeeb nkab. Yog li ntawd, cov khoom ntawm lub raj sab hauv kev sib cuag nrog cov dej yog qhov tseem ceeb heev. Lub teb chaws tus qauv uas twb muaj lawm lossis tus qauv ntawm Ministry of Construction xav kom cov khoom siv hauv cov yeeb nkab yuav tsum tau ua raws li "GBT17219-1998 Kev Ntsuam Xyuas Kev Nyab Xeeb Kev Nyab Xeeb rau Cov Khoom Siv Hluav Taws Xob Hluav Taws Xob thiab Cov Khoom Siv Hluav Taws Xob thiab Cov Khoom Siv Tiv Thaiv" txhawm rau kom ntseeg tau tias cov dej hauv av. tsis yog qias neeg. Hauv Tebchaws Europe, Lub Tebchaws Yelemees tso cov kev xav tau siab dua rau cov kav dej braided, tshwj xeeb tshaj yog rau cov kav dej braided txuas nrog cov dej haus, xav tau cov yeeb nkab sab hauv kom dhau qhov kev kuaj mob microbial W270. Raws li qhov yuav tsum tau ua, tus thawj PVC, EPDM thiab lwm yam khoom siv raw tuaj yeem ua tsis tau raws li qhov yuav tsum tau ua. . Cov khoom siv hauv lub raj tshiab tam sim no tau siv dav hauv European lag luam, feem ntau yog silicone raj lossis PEX-B raj. Txij li thaum tus nqi ntawm silicone tube yog siab dhau lawm, PEX-B raj hauv European lag luam tam sim no yuav yog lub neej yav tom ntej.
