Indlela yokukhetha i-flange

1. Okwamanje kunamazinga amane e-flange e-China, okuyilawa:

(1) I-flange kazwelonke ejwayelekile GB/T9112~9124-2000;

(2) I-Chemical industry flange standard standard HG20592-20635-1997

(3) I-flange yemboni yemishini ejwayelekile JB/T74~86.2-1994;

(4) Izinga le-flange lemboni ye-petrochemical SH3406-1996

Uma uthatha indinganiso kazwelonke njengesibonelo, chaza ukukhethwa kwama-flange. I-flange ejwayelekile kazwelonke ihlukaniswe ngezinhlelo ezimbili ezinkulu: uhlelo lwaseYurophu kanye nohlelo lwaseMelika. Izingcindezi ezijwayelekile ze-European system flanges zihlanganisa: PN0.25, PN0.6, PN1.0, PN1.6, PN2.5, PN4.0, PN6.3, PN10.0, ne-PN16.0MPa; Izingcindezi ezivamile zama-flange esistimu yaseMelika zihlanganisa i-PN2.0, i-PN5.0, i-PN11.0, i-PN15.0, i-PN26.0, ne-PN42.OMpa

2. Isisekelo sokukhetha ama-flange

(1) Izakhiwo zendlela yokudlulisa, okuhlanganisa okuphakathi nendawo, okukhethekile, okunobuthi, okuvutha umlilo kanye neziqhumane;

(2) Ngokusekelwe kumingcele ye-medium, ingcindezi yokusebenza, nezinga lokushisa lokusebenza, lapho i-medium inqunywa, i-PN yokucindezela okubizwa ngokuthi i-flange inqunywa ngokusekelwe ekushiseni okusebenzayo nokucindezela kwendawo.

(3) Nquma indlela yokuxhuma kanye nefomu lendawo yokuvala phakathi kwama-flange namapayipi ngokusekelwe endaweni yokusetshenziswa nezimo zokuxhuma.

(4) Nquma ukucaciswa kwe-flange ngokusekelwe entweni yokuxhuma.