Flanges yog qhov tseem ceeb ntawm kev ua lag luam kev lag luam. Feem ntau cov roj thiab roj, kev kho dej thiab kho hluav taws xob tsim hluav taws xob siv cov kav dej, uas tso cai rau cov kev tshaj tawm thoob plaws cov chaw Hoobkas sib txawv
Cov qib ntawm carbon hlau flanges muaj txiaj ntsig hauv cov yeeb nkab steel yeeb nkab flanges, forged fittings, li qub, thiab lwm yam kev pab kub-kub.