I-ASTM A53/A53M/ASME SA-53/SA-53M ejwayelekile

Isicelo: kufanelekile izingxenye zokuthwala kanye nokuthwala, futhi nakumapayipi omusi, amanzi, igesi kanye nomoya.

Inqubo yokukhiqiza ishubhu lensimbi engenamthungo. Ngokwenqubo yayo yokukhiqiza, ishubhu lensimbi elingenamthungo lihlukaniswe ngeshubhu lensimbi elingenamthungo elishisayo eligoqwe kahle, ishubhu lensimbi elingenamthungo elidonswayo elibandayo, ishubhu lensimbi elingenamthungo eliphumayo eliqondile eliphumayo, izinhlobo ezimbili zokuqala zenqubo ukukhiqizwa kweshubhu lensimbi elingenamthungo elijwayelekile, ubukhulu beshubhu lensimbi elingenamthungo ngokuvamile bungu-8-406, ubukhulu bodonga ngokuvamile bungu-2-25; Okubili kokugcina ukukhiqizwa kwepayipi lensimbi elingenamthungo elinobukhulu obukhulu, ububanzi bepayipi lensimbi elingenamthungo ngokuvamile bungu-406-1800, ubukhulu bodonga ngokuvamile bungu-20mm-220mm. Ngokusho kokusetshenziswa kwayo, ingahlukaniswa ngeshubhu lensimbi elingenamthungo lesakhiwo, ishubhu lensimbi elingenamthungo loketshezi, ishubhu lensimbi elingenamthungo lebhoyila kanye neshubhu lensimbi elingenamthungo lepayipi likawoyela.