Ivalvu Yebhola Yokufakwa Ngejakhethi: Izixazululo Zokulawula Uketshezi Olusebenza Ngamandla
Ivalvu Yebhola Yokufakwa Ngejakhethi: Izixazululo Zokulawula Uketshezi Olusebenza Ngamandla
I-valve yebhola efakwe ijakhethi iwuhlobo lwevalvu ene-insulation enhle nezici zokupholisa. Ububanzi bayo buhambisana nobubanzi bepayipi, obungakwazi ukunciphisa ngokuphumelelayo ukulahlekelwa kokushisa kwe-medium epayipini. Lolu hlobo lwe-valve lusetshenziswa kakhulu ezinhlelweni ezihlukahlukene ezifana ne-petroleum, amakhemikhali, i-metallurgical, ukukhiqiza, nokudla, futhi isetshenziselwa ukuthutha imidiya ephezulu ye-viscosity ezoqina ekamelweni lokushisa.
Izici zama-valve ebhola afakwe i-jacket ikakhulukazi zihlanganisa amaphuzu alandelayo:
1. Ukumelana noketshezi kuncane, futhi i-coefficient yayo yokumelana ilingana neyamapayipi anobude obufanayo;
2. Isakhiwo esilula, usayizi omncane, nesisindo esincane;
3. Iqinile futhi inokwethenjelwa, isebenza kahle ngokuvala, ipulasitiki isetshenziswa kabanzi njengendawo yokuvala futhi iye yasetshenziswa kabanzi ezinhlelweni zevacuum;
4. Kulula ukusebenza, ukuvuleka nokuvala kuyashesha, ngokuzungezisa okungu-90 ° kuphela ukusuka ekuvulekeni okugcwele kuya ekuvaleni okugcwele, okwenza kube lula ukulawula okukude;
5. Ukugcinwa okulungile, ukwakheka kwe-valve yebhola elula, namasongo okubeka uphawu ngokuvamile agudlukayo, okwenza ukuqaqa nokufaka esikhundleni kube lula;
6. Uma ivuliwe ngokugcwele noma ivaliwe ngokugcwele, izindawo zokuvala zebhola kanye nesihlalo se-valve zihlukaniswa phakathi nendawo. Lapho i-medium idlula, ngeke ibangele ukuguguleka kwendawo yokuvala i-valve;
7. Inezinhlobonhlobo zezinhlelo zokusebenza, ezinobubanzi obusuka kumamilimitha ambalwa kuya kumamitha amaningana, futhi ingasetshenziswa kusuka ku-vacuum ephezulu kuya ekucindezelweni okuphezulu.
Ukucaciswa kwedizayini, ubude besakhiwo, ukuhlolwa kokushisa kwengcindezi ye-flange yokuxhumeka kanye nokuhlolwa kwamavalvu ebhola afakwe ibhantshi avale izintambo kulandela izindinganiso ezifana ne-GB/T9113, JB/T79, JB/T9092, GB/T12221, GB/T12224, GB/T12237, GB/T13927 , AP1598, HG/T20592, EN1092, njll.
Izinto eziyinhloko zama-valve ebhola afakwe ibhantshi afaka ijakhethi (PTFE), isihlalo se-valve (WCB), umzimba we-valve (WCB), indandatho yokuvala (PTFE, alignment polystyrene), ibhola (insimbi engagqwali), isiqu se-valve (1Cr13), ukupakisha ( igraphite eguqukayo), kanye nendlala yokupakisha (WCB).
Sekukonke, ama-valve ebhola afakwe amabhantshi awuhlobo lwevalvu esebenza kahle kakhulu, ukusebenza okulula, nokugcinwa kalula. Zisetshenziswa kabanzi ezinhlelweni ezahlukahlukene futhi ziyinketho ekahle yokudlulisa imidiya ye-viscosity ephezulu.
