Luj tshib Cov yam ntxwv ntawm lub luj tshib Classification ntawm reducer Qhov txawv ntawm seamless luj tshib thiab ncaj seam luj tshib (Peb) Txoj kev kho oxidation ntawm lub luj tshib nto American standard luj tshib (thawj) Lub luj tshib packing yuav tsum Flange Dab tsi yog lub zog ntawm flange Cov yam ntxwv ntawm flange rigidity Flange txhav txhim kho kev ntsuas Daim ntawv thov ntawm txoj kab uas hla loj Puas raug khawb rau ntawm qhov chaw flange? Kev faib tawm ntawm txoj kab uas hla loj flanges Daim duab 8 qhov muag tsis pom flange Roj hmab expansion sib koom ua ke Kev ua tau zoo ntawm Hypalon roj hmab expansion sib koom ua ke Dab tsi yog qhov txheej txheem vulcanization? 16. Angular hloov chaw Dab tsi yog axial elongation thiab compression Tag nrho cov roj hmab sib koom ua ke Threaded kev twb kev txuas Reducer roj hmab expansion sib koom ua ke
