1. A halin yanzu akwai matakan flange guda hudu a kasar Sin, wadanda su ne:
(1) Matsayin flange na ƙasa GB/T9112 ~ 9124-2000;
(2) Chemical masana'antu flange misali HG20592-20635-1997
(3) Mechanical masana'antu flange misali JB / T74 ~ 86.2-1994;
(4) Matsayin flange don masana'antar petrochemical SH3406-1996
Ɗaukar ma'auni na ƙasa a matsayin misali, bayyana zaɓin flanges.An raba ma'aunin flange na ƙasa zuwa manyan tsare-tsare guda biyu: tsarin Turai da tsarin Amurka.Matsalolin da ba a sani ba na tsarin tsarin Turai sun hada da: PN0.25, PN0.6, PN1.0, PN1.6, PN2.5, PN4.0, PN6.3, PN10.0, da PN16.0MPa;Matsalolin maras tushe na flanges na tsarin Amurka sun haɗa da PN2.0, PN5.0, PN11.0, PN15.0, PN26.0, da PN42.OMPa
2. Tushen don zaɓar flanges
(1) Kaddarorin matsakaicin isarwa, gami da matsakaici na gabaɗaya, matsakaici na musamman, matsakaici mai guba, matsakaici mai ƙonewa da fashewar fashewa;
(2) Dangane da ma'auni na matsakaici, matsa lamba na aiki, da zafin jiki na aiki, lokacin da aka ƙayyade matsakaici, an ƙaddara matsa lamba PN na flange bisa ga zafin aiki da matsa lamba na matsakaici.
(3) Ƙayyade hanyar haɗin gwiwa da siffan rufewa tsakanin flanges da bututu dangane da wurin amfani da yanayin haɗi.
(4) Ƙayyade ƙayyadaddun ƙayyadaddun flange dangane da abin haɗin gwiwa.
Lokacin aikawa: Fabrairu-28-2024