Pehea e koho ai ma waena o concentric, double eccentric a me triple eccentric butterfly valve?

ʻO ka ʻokoʻa o ke ʻano o ka valve butterfly e hoʻokaʻawale i nā ʻano ʻehā o nā valve butterfly, ʻo ia hoʻi:kiwi lele lele concentric, hoʻokahi pahu lele eccentric,lua pele eccentric valvea me triple eccentric butterfly valve. He aha ka manaʻo o kēia eccentricity? Pehea e hoʻoholo ai i ka wā e hoʻohana ai i ka valve concentric butterfly valve, i ka wā e hoʻohana ai i ka valve butterfly eccentric hoʻokahi, i ka manawa e hoʻohana ai i ka valve butterfly eccentric pālua a me ka valve butterfly eccentric triple? ʻAʻole maopopo ka nui o nā mea hoʻohana. E aʻo pū kāua.

ʻO nā kiwi lele lele concentric, nā kiwi lele lele eccentric hoʻokahi, pāluakiwi lele lele eccentrica me na kiwi lele lele eccentric triple e hoike mai i ke kaʻina hana o ka wehe a pani ana me ka emi a emi o ka ikaika a me ka emi a emi mai o ka lole ma ka sila sila. Ma ka hoʻonohonoho ʻana i ke kūlana o ke kumu ʻōwili o ka pā valve butterfly, hiki ke hoʻololi i ka sila a me ka wehe ʻana o ka valve butterfly. Ma lalo o nā kūlana like, ke hoʻonui nei ka torque o ka valve i ka wā e wehe ai i ke kaʻina. Ke wehe ʻia ka valve, ʻoi aku ka liʻiliʻi o ka ʻoki ʻana i koi ʻia no ka pā valve e hoʻokaʻawale mai ka sila.

ʻO ka hiʻohiʻona hoʻolālā o ka valve concentric butterfly ʻo ia ke kumu o ke kumu o ka pahu valve, ke kikowaena o ka pā papa a me ke kikowaena o ke kino valve ma ke kūlana like. ʻO ka ʻōlelo maʻamau, inā hiki ke hoʻohana ʻia nā kiwi lele concentric, pono e hoʻohana ʻia e like me ka hiki. No ka mea, ʻaʻole pono ke ʻano concentric i ka hana hoʻopaʻa kiʻekiʻe ma ke ʻano o ka hoʻolālā a i ʻole ka hana, he huahana maʻamau. I mea e lanakila ai i ka extrusion, scraping, a me ka hōʻoia ʻana i ka hana hoʻopaʻa ʻana, ʻo ka noho o ka valve concentric butterfly valve i hana maoli ʻia me ka ʻōpala a i ʻole PTFE a me nā mea elastic ʻē aʻe, ʻo ia ka valve sealing butterfly valve. Hoʻohana kēia i ka hoʻohana ʻana i nā valve concentric butterfly e pili ana i nā palena wela. I mea e hoʻoponopono ai i ka pilikia extrusion o ka papa pelelele a me ka noho kiwi, ua hana ʻia kahi valve butterfly eccentric hoʻokahi. ʻO kona hiʻohiʻona, ʻo ia ka neʻe ʻana o ke kikowaena o ke kumu valve mai ke kikowaena o ka pā pepeke.

ʻO ka valve butterfly eccentric pālua ka mea i hoʻohana nui ʻia. ʻO kāna hiʻohiʻona hoʻolālā ʻo ia ka neʻe ʻana o ke kikowaena o ke kumu valve mai ke kikowaena o ka pā pepeke a me ke kikowaena o ke kino valve. Ua haʻalele ʻo ia mai nā kūlana waena ʻelua, no laila ua kapa ʻia ʻo ia ʻelua eccentric butterfly valve. ʻO ka nui o lākou i hoʻopaʻa ʻia i ka laina. Ke pani ʻia ka ʻili o ka sila, aia ka friction ma waena o ka pā disk a me ka noho valve, a maikaʻi loa ka hopena sealing. Loaʻa iā ia nā hiʻohiʻona o kahi liʻiliʻi a me ke kaomi ikaika. Ma hope o ka wehe ʻia ʻana o ka pahu, hiki i ka papa butterfly ke haʻalele koke i ka noho kiwi, kahi e hoʻopau nui ai i ka extrusion nui ʻole pono ʻole a me ka ʻoki ʻana ma waena o ka pā a me ka noho, e hoʻemi i ka wehe ʻana i ka mamao kūʻē, ʻaʻahu, a hoʻomaikaʻi i ke ola lawelawe o ka noho kiwi.

Loaʻa i ke kolu eccentric butterfly valve ke kolu o ka eccentricity ma ke kumu o ka lua eccentric butterfly valve. ʻO ke ʻano o ka hui hoʻopaʻa ʻana ʻaʻole ia he cone maikaʻi, akā he cone oblique. ʻO ka hapa nui o lākou he ikaika lōʻihi a me ke sila ʻili. ʻO ke kumu lāʻau o ka valve eccentric butterfly he ʻekolu ʻāpana ʻāpana. He concentric nā ʻāpana ʻelua o ka ʻāpana ʻāpana ʻekolu, a ʻo ka laina waena o ka ʻaoʻao waena e hoʻokaʻawale mai ke axis o nā wēlau ʻelua ma kahi mamao waena, a ua hoʻokomo ʻia ka papa pepeke ma waena. ma ke kumu. ʻO ia ʻano ʻano eccentric e hoʻolilo i ka papa peʻapeʻa i ʻano eccentric pālua i ka wā e hāmama pono ai, a me kahi ʻano eccentric hoʻokahi ke huli ka papa pepeke i ke kūlana pani. Ma muli o ka hopena o ka lāʻau eccentric, i ka wā e kokoke ana i ka pani ʻana, e neʻe ka papa pepeke i kahi mamao i loko o ka ʻili cone sealing o ka noho valve, a hoʻohālikelike ka papa butterfly i ka ʻili hoʻopaʻa o ka noho valve e hoʻokō i ka hana hoʻopaʻa hilinaʻi. Hoʻopili ia no ka kū'ē'ē i ka sila paʻakikī he sila maikaʻiʻole, aʻo ka sila palupalu he hopena sila maikaʻi akāʻaʻole kū'ē i ka wela kiʻekiʻe.

I ka manawa e hoʻohana ai i ka valve concentric butterfly, i ka manawa e koho ai i ka valve eccentric butterfly pālua a i ʻole ka triple eccentric butterfly valve, e hilinaʻi nui ʻia i nā kūlana hana a me ka waihona kālā.