1. Rau cov kav dej thiab cov cuab yeej siv qis -kub media, qis-kub koob li qub nrog lub kaus mom raug pom zoo.
2. Rau cov kav dej hauv cov catalytic cracking units ntawm cov roj refining nroj tsuag, nce qia koob li qub tuaj yeem siv tau.
3. Rau cov cuab yeej siv thiab cov kav dej tuav cov xov xwm corrosive xws li cov kua qaub thiab alkalis hauv cov tshuab tshuaj, txhua yam - stainless hlau koob li qub ua los ntawm austenitic stainless hlau nrog PTFE lub rooj ntsaws ruaj ruaj yog pom zoo.
4. Rau cov kav dej lossis cov cuab yeej siv siab-kub xov xwm hauv metallurgical systems, fais fab nroj tsuag, petrochemical nroj tsuag, thiab hauv nroog cua sov systems, hlau - mus rau - hlau kaw koob li qub yuav siv tau.
5. Thaum yuav tsum muaj kev tswj hwm, cov iav iav uas tau tsav, pneumatic lossis hluav taws xob tswj cov koob li qub nrog V- zoo li lub qhov qhib tuaj yeem siv tau.
6. Rau cov roj tseem ceeb thiab cov roj xa hluav taws xob uas yuav tsum tau ntxuav cov kav dej thiab muab faus rau hauv av, tag nrho - bore, tag nrho welded koob li qub yuav tsum raug xaiv; rau cov faus saum av, tag nrho - bore welded los yog flanged pob li qub yuav tsum raug xaiv . 7. Rau cov kav dej ua kom zoo dua qub thiab cov khoom siv cia, flanged koob li qub yuav tsum tau xaiv.
8. Rau cov kav dej hauv nroog thiab cov nkev roj, ob qho tib si flanged thiab threaded koob li qub yuav tsum raug xaiv.
9. Nyob rau hauv cov pa oxygen pipeline systems nyob rau hauv metallurgical systems, flanged koob li qub uas tau undergone nruj degreasing kev kho mob yog pom zoo.