📘 Dab tsi yog flange?
A flangeyog lub tshuab txuas tshuab txuas rauKoom nrog kav, li qub, twj, lossis lwm yam khoom siv, sib sau adej-pov thawj thiab kev sib koom tesCov. Flanges tso cai rau cov rooj sib txoos yooj yim, disassembly, thiab kev tu cev.
📏 Flange Qhov Ntev
Flange Qhov ntev yog txiav txim los ntawmCov Qauv Thoob Ntiaj Tebthiab muaj ob peb yam tseem ceeb:
FLANE KWV YEEM TSEEM CEEB:
| Lub caij | Kev piav txog |
|---|---|
| NPS \/ DN | Nominal yeeb nkab loj (nti lossis hli) |
| Od | Sab nraud txoj kab uas hla ntawm cov flange |
| BOLT VAJVOOG | Txoj kab uas hla ntawm lub voj voog uas cov qhov tw qhov chaw nyob |
| Ntsia Qhov Loj | Txoj kab uas hla ntawm txhua qij |
| Qhov tuab | Thickness ntawm lub flange lub cev |
| Lub ntsej muag tsa lub ntsej muag (RF) | Qhov siab ntawm lub ntsej muag tsa rau gasket zaum |
| Hub Qhov Siab | Rau weld caj dab thiab ntev weld caj dab flanges |
📘 Qhov ntev sib txawv ntawm cov qauv (piv txwv li, ASME B16.5, en {2}}, duas 2633).
🧪 Kev Ntsuas Siab (Cov Chav Kawm)
Flanges yog nyob ntawmsiab tshaj plaws siab lawv tuaj yeem tiv taus, categorized rau hauvKev ntsuas siab siab:
🔹 ASME Cov Chav Kawm Siab:
Hoob 150
Hoob 300
Hoob 600
Hoob 900
Hoob 1500
Chav Kawm 2500
💡 Ntau dua chav kawm=thicker flange + ntau lub bolts {2}} Ntau dua siab thev taus.
Pn kev ntaus nqi (European \/ ISO):
PN 10 \/ PN 16 \/ PN 25 \/ PN 40 \/ PN 63 \/ PN 100(Ua rau nominale hauv bar)
🧱 Cov Khoom Siv Nrov Flange
| Khoom | Nta | Cov Ntawv Thov |
|---|---|---|
| Cov Hlau Hlau | Raug nqi-ua tau zoo, siab zog | Kev Lag Luam General, Dej \/ Roj Pipelines |
| Stainless hlau | Corrosion-resistant, ruaj (piv txwv li, 304, 316) | Khoom Noj Khoom Haus, Lub Tshuaj Khoom, Cov Nroj Tsuag, Tshuaj Nroj Tsuag |
| Alloy Steel | Lub zog siab dua thiab corrosion tsis kam (piv txwv li, A182 F11) | High-temp, siab nruab |
| Duplex Stainless | Siab lub zog + zoo dua corrosion tsis kam | Roj & Roj, Sawb Dej |
| Nickel alloys | Tshwj xeeb corrosion & Thaum Tshav Kub Kub Ua Haujlwm (piv txwv li, Inconel, Hastelloy, Monel, Incoloy) | Txhoj puab heev ib puag ncig |
| Aluminium \/ tooj daj | Lub teeb yuag, corrosion-resistant | Tubrog nkoj, Tshwj Xeeb Cov Dej |
| Yas (PVC, HDPE) | Lub teeb yuag, kev siv qis-siab | Dej faib khoom, tso kua txob |
🧰 Flange hom (luv luv recap)
| Flange Hom | Zoo tshaj plaws rau ... |
|---|---|
| Weld caj dab | Kev Kub Siab & Kub |
| Npleem-rau | Yooj yim Installation, Nruab Nrab Siab |
| Qhov chaw weld | Cov kav dej loj me-uas hla, du bore |
| Thoo | Tsis muaj vuam, tsis muaj siab |
| Ntxhuav Quav | Nquag ua rau ib qho kev ntxub ntxaug, misalignment tsis kam |
| Dig muag | Foob xaus ntawm cov yeeb nkab lossis nozzles |
| Ntev weld caj dab | Siab Hlab, Cov Ntawv Thov Tshwj Xeeb |
🛠️ Xaiv txoj cai flange
Xav txog cov xwm txheej no:
Yeeb nkab loj (nps lossis dn)
Siab chav kawm lossis pn
Cov khoom siv tau sib xws
Ib puag ncig (corrosive, siab-temp, seawater?)
Flange yam raws li siv rooj plaub
Cov qauv uas yuav tsum tau los ntawm Project (ASME, En, Din, JIS, thiab lwm yam)
