Single eccentric ɔkɔre valve
Sɛnea ɛbɛyɛ na wɔadi extrusion haw a ɛda disc no ne valve seat a ɛwɔ concentric butterfly valve no ntam no ho dwuma no, wɔyɛ eccentric butterfly valve biako no. Petepete na tew extrusion a ɛboro so a ɛwɔ butterfly plate no atifi ne ase awiei ne valve seat no so. Nanso, esiane nhyehyɛe biako a ɛyɛ eccentric nti, scraping phenomenon a ɛda disc ne valve seat ntam no nyera wɔ valve no bue na ɛto mu nyinaa mu, na nea wɔde di dwuma no te sɛ concentric butterfly valve no de no, enti wɔmfa nni dwuma pii.
Nwansena valve a ɛyɛ nwonwa abien
Wogyina ɔkɔre valve biako a ɛyɛ nwonwa no so no, ɛyɛ ntontom valve a ɛyɛ nwonwa abien no a wɔde di dwuma kɛse mprempren. Ne nhyehyɛe su ne sɛ shaft mfinimfini a ɛwɔ valve dua no mu no twe ne ho fi disc no mfinimfini ne nipadua no mfinimfini. Nsunsuanso a ɛwɔ double eccentricity mu no ma disc no tumi tetew fi valve seat no ho ntɛm ara bere a wɔabue valve no akyi, na eyi extrusion ne scratching a ɛboro so a ɛho nhia fi disc no ne valve seat no ntam kɛse, ɛtew opening resistance no so, ɛtew ɔsɛe so, na ɛma Seat no nkwa nna tu mpɔn. Wɔtew scraping no so kɛse, na bere koro no ara mu no, .ntontom valve a ɛyɛ nwonwa abien no betumi nso de dade valve nkongua adi dwuma, a ɛma ntontom valve no a wɔde di dwuma wɔ ɔhyew a ɛkɔ soro afuw mu no tu mpɔn. Nanso, esiane sɛ ne nsɔano nnyinasosɛm yɛ gyinabea nsɔano nhyehyɛe, kyerɛ sɛ, nsɔano ani a disc no ne valve nkongua no wɔ line contact, na elastic deformation a disc extrusion a valve nkongua no de ba no ma sealing nkɛntɛnso, enti ɛwɔ ahwehwɛde akɛse ma gyinabea a ɛto mu (titiriw dade Valve nkongua), nhyɛso a ɛba fam soa tumi, a ɛno nti na atetesɛm mu nkurɔfo susuw sɛ butterfly valves ntumi nnyina ano nhyɛso a ɛkorɔn na ɛwɔ nsu a ɛtwetwe kɛse.
Mmiɛnsa eccentric ntontom valve
Sɛ wobetumi agyina ɔhyew a ɛkɔ soro ano a, ɛsɛ sɛ wɔde nsɔano a ɛyɛ den di dwuma, nanso nsu a ɛtwetwe no dɔɔso; sɛ nsu ntumi nkɔ baabiara a, ɛsɛ sɛ wɔde nsɔano a ɛyɛ mmerɛw di dwuma, nanso ɛnyɛ nea ɛko tia ɔhyew a ɛkɔ soro. Nea ɛbɛyɛ na wɔadi abirabɔ a ɛwɔ ntontom valve a ɛyɛ nwonwa abien no so no, na ntontom valve no yɛ nea ɛyɛ nwonwa ne mprɛnsa so. Nea ɛwɔ ne nhyehyɛe mu ne sɛ bere a valve dua a ɛyɛ eccentric abien no yɛ eccentric no, conical axis a ɛwɔ disc sealing surface no ase kɔ nipadua no cylinder axis no so, kyerɛ sɛ, eccentricity a ɛto so abiɛsa no akyi no, sealing fã a ɛwɔ disc no mu no nsakra. Afei ɛyɛ kurukuruwa ankasa, nanso ɛyɛ kurukuruwa a ɛyɛ kurukuruwa, na ne nsɔano no nsusuwii nso nyɛ pɛ, ɔfã biako akɔ fam akɔ nipadua no mfinimfini, na ɔfã foforo no ne nipadua no mfinimfini kwan no yɛ pɛ. Su a ɛto so abiɛsa yi eccentricity ne sɛ sealing nhyehyɛe no yɛ fapem nsakrae, ɛnyɛ bio gyinabea nsɔano, na mmom torsion nsɔano, kyerɛ sɛ, ɛnde ne ho to elastic deformation a valve nkongua no, na mmom koraa de ne ho to contact surface nhyɛso a valve nkongua no nya sealing nkɛntɛnso , Enti, ɔhaw a zero leakage dade valve nkongua no yɛ solved wɔ biako fell, na esiane sɛ nhyɛso a ɛwɔ soro a ɛne ne ho di nkitaho no ne nhyɛso a ɛwɔ mfinimfini no hyia nti, nhyɛso a ɛkɔ soro ne ɔhyew a ɛkɔ soro a ɛko tia no nso yɛ mmerɛw sɛ wobedi ho dwuma.
Bere a wɔde bɛkyerɛw: Jul-13-2022
