Bawuloli na malam buɗe ido sun dace da ƙa'idodin kwarara. Tunda asarar matsi na bawul ɗin malam buɗe ido a cikin bututun yana da girma, wanda ya kai kusan sau uku na bawul ɗin ƙofar, lokacin zabar bawul ɗin malam buɗe ido, yakamata a yi la'akari da tasirin asarar matsin lamba akan tsarin bututun, kuma tsayin farantin malam buɗe ido mai ɗaukar bututun matsakaici lokacin rufewa yakamata a yi la'akari da shi. Bugu da ƙari, iyakar zafin aiki na kayan zama na roba a babban zafin jiki dole ne a yi la'akari da shi.

Bawul ɗin malam buɗe ido yana da ƙaramin tsayin tsari da tsayi gabaɗaya, saurin buɗewa da saurin rufewa, da kyawawan halayen sarrafa ruwa. Ka'idar tsari na bawul ɗin malam buɗe ido ya fi dacewa don yin manyan bawul ɗin diamita. Lokacin da ake buƙatar bawul ɗin malam buɗe ido don sarrafa kwarara, abu mafi mahimmanci shine a zaɓi daidai girman da nau'in bawul ɗin malam buɗe ido ta yadda zai iya aiki yadda ya kamata kuma yadda ya kamata.

Gabaɗaya, a cikin jujjuyawa da daidaita sarrafawa da matsakaicin laka, gajeriyar tsayin tsari da saurin buɗewa da saurin rufewa (juyawa 1/4) ana buƙata. Bawul ɗin yanke-ƙananan matsa lamba (ƙananan matsa lamba), ana ba da shawarar bawul ɗin malam buɗe ido.

Za'a iya zaɓar bawul ɗin malam buɗe ido idan akwai ka'idodin matsayi biyu, tashar ƙasa mai wuyan wuyan hannu, ƙaramin amo, cavitation da gasification, ƙaramin ɗigo zuwa yanayi da matsakaiciyar abrasive.

Lokacin da aka yi amfani da bawul ɗin malam buɗe ido a ƙarƙashin yanayin aiki na musamman, kamar ƙa'idar ƙwanƙwasawa, ƙaƙƙarfan buƙatun hatimi, ko lalacewa mai tsanani, ƙarancin zafin jiki (cryogenic) da sauran yanayin aiki, ya zama dole a yi amfani da bawul ɗin eccentric na musamman guda uku ko biyu eccentric malam buɗe ido tare da hatimin ƙarfe na musamman da na'urar tsarawa.

Midline malam buɗe ido bawul ne zartar da ruwa mai tsabta, najasa, ruwan teku, brine, tururi, na halitta gas, abinci, magani, mai kayayyakin, daban-daban acid da alkali da sauran bututun bukatar cikakken sealing, sifili gas gwajin yayyo, high sabis rayuwa da kuma aiki zafin jiki na - 10 ℃ ~ 150 ℃.

Soft hatimi eccentric malam buɗe ido ya dace don buɗewa ta hanyoyi biyu, rufewa da daidaitawar iska da bututun cire ƙura. Ana amfani da shi sosai a cikin bututun iskar gas da tashar ruwa na ƙarfe, masana'antar haske, wutar lantarki da tsarin petrochemical.

Karfe zuwa karfe rufe biyu eccentric malam buɗe ido bawul ya dace da dumama birane, samar da iskar gas, samar da ruwa da sauran iskar gas, mai, acid-tushe da sauran bututu a matsayin tsari da throttling na'urar.