1. Fayil naroba liyi duba bawulmai siffar faifai ne kuma yana juyawa a kusa da jujjuyar jujjuyawar tashar wurin zama. Saboda tashar da ke cikin bawul ɗin an daidaita shi, ƙarfin juriya ya ƙaru fiye da na bawul ɗin duba nau'in malam buɗe ido. Butterfly check valve an raba shi zuwa nau'in diski guda ɗaya, nau'in diski guda biyu da nau'in nau'in rabi na uku, waɗannan nau'ikan nau'ikan guda uku an raba su ne bisa ga diamita na bawul, manufar ita ce hana matsakaici daga dakatar da kwarara ko koma baya, raunana tasirin hydraulic.
2, Rubber liyi rajistan bawul: bawul diski zamewa tare da a tsaye cibiyar line na bawul jiki rajistan shiga bawul, amo duba bawul za a iya kawai shigar a kan kwance bututu, a cikin babban matsa lamba kananan caliber duba bawul diski za a iya amfani da ball. Siffar jikin bawul ɗin binciken shiru iri ɗaya ne da na bawul ɗin globe (zai iya zama na duniya tare da bawul ɗin duniya), don haka ƙimar juriyar ruwan sa ya fi girma. Tsarinsa yana kama da bawul ɗin duniya, kuma jiki da diski iri ɗaya ne da bawul ɗin duniya. Babban ɓangaren diski da ƙananan ɓangaren murfin bawul ana sarrafa su tare da hannun rigar jagora, kuma jagorar diski za a iya ɗagawa da saukar da shi kyauta a cikin jagorar hular hula. Lokacin da matsakaici ke gudana, ana buɗe diski ta matsakaitan matsakaita, kuma lokacin da matsakaicin ya daina gudana, faifan bawul ɗin ya sauka akan wurin zama ta gefen tsaye don hana matsakaicin daga gaba. Madaidaicin-ta malam buɗe ido duba bawul matsakaici mashigai da kanti tashar shugabanci da wurin zama tashar shugabanci perpendicular; Bawul ɗin dubawa na ɗaga tsaye, matsakaicin mashigai da jagorar tashar tashar da tashar tashar wurin zama iri ɗaya ce, juriyawar kwarara ya yi ƙasa da kai tsaye.
3. Rubber lily check valve: faifan valve yana zamewa tare da layin tsakiya na jikin bawul.Bututu irin duba bawulsabon bawul ne, ƙananan girmansa, nauyi mai sauƙi, fasaha mai kyau na sarrafawa, yana ɗaya daga cikin jagorancin ci gaba na duba bawul. Amma madaidaicin ja na ruwa ya ɗan girma fiye da na ƙwanƙolin bincike.