Raws li kev sib txuas, flanges tuaj yeem faib ua cov hauv qab no:
1. Qaum ... - ntawm flange (yog li) cov qauv yooj yim, haum rau qis- pa nyem (tsawg dua los yog sib npaug rau pn16). Lub taub hau sab hauv yuav tsum phim cov yeeb nkab sab nraud ntawm txoj kab hauv lub taub, thiab vuam yuav tsum tau ib qho {{5} {{اd Fillet Weld.
2. Weld dab caj dab Flange (WN): Nrog rau ncua caj dab, haum rau high-} qhov kev siv siab (PN25-PD15-PN100). WHDS yuav tsum tau 100% kev tshuaj xyuas tshuab (raws li ISO 5817).
3. Qhov chaw weld flange (SW): Cov yeeb nkab tau tso rau hauv flange thiab tom qab ntawd welded. Nws yog feem ntau siv rau me me- txoj kab uas hla (dn15 {{5} {{}}}}}}}}}}}}}}}} kub ripelines. Kev sib khi saum npoo yog feem ntau RF-hom.