Ana amfani da bawul ɗin don buɗewa da rufe bututun, sarrafa jagorar kwarara, daidaitawa da sarrafa sigogi na matsakaicin watsawa (zazzabi, matsa lamba da kwarara) kayan haɗin bututun.Dangane da aikinsa, ana iya raba shi zuwa bawul ɗin rufewa, bawul ɗin duba, bawul mai daidaitawa, da sauransu.

Bawul shine sashin sarrafawa a cikin tsarin jigilar ruwa, wanda ke da ayyuka na yanke-kashe, ƙa'ida, jujjuyawar, rigakafin da ba a taɓa gani ba, daidaitawar matsa lamba, jujjuyawar ko zubar da ruwa, da sauransu. waɗanda aka yi amfani da su a cikin mafi hadaddun tsarin sarrafa kansa.

Ana iya amfani da bawuloli don sarrafa kwararar iska, ruwa, tururi, kafofin watsa labarai masu lalata, laka, mai, ƙarfe na ruwa da kafofin watsa labarai na rediyo da sauran nau'ikan ruwa.Bawuloli bisa ga kayan kuma an raba su cikin bawuloli na simintin ƙarfe, bawul ɗin ƙarfe na ƙarfe, bawul ɗin bakin karfe (201, 304, 316, da sauransu), chromium molybdenum ƙarfe bawul, chromium molybdenum vanadium ƙarfe bawuloli, bawul ɗin ƙarfe biyu-lokaci, bawul ɗin filastik. , ba daidaitattun al'ada bawuloli.

Valve yana cikin tsarin ruwa, ana amfani dashi don sarrafa jagorancin ruwa, matsa lamba, kwarara na na'urar, shine sanya bututu da kayan aiki a cikin matsakaici (ruwa, gas, foda) gudana ko tsayawa da sarrafa kwararar na'urar. .

Bawul shine sashin kula da tsarin isar da ruwan bututun mai, ana amfani dashi don canza sashin nassi da matsakaicin matsakaiciyar kwarara, tare da karkatarwa, yankewa, magudanar ruwa, dubawa, karkatarwa ko ayyukan taimako na matsin lamba.Valve da ake amfani da shi don sarrafa ruwa, daga mafi sauƙaƙan bawul ɗin duniya zuwa tsarin sarrafawa ta atomatik mai rikitarwa da ake amfani da shi a cikin nau'ikan bawuloli, iri-iri da ƙayyadaddun sa, girman ƙimar bawul ɗin daga ƙaramin bawul ɗin kayan aiki zuwa girman bututun masana'antu. bawul har zuwa 10m.Ana iya amfani da shi don sarrafa ruwa, tururi, man fetur, gas, laka, nau'in watsa labaru iri-iri, ƙarfe na ruwa da ruwan radiyo da sauran nau'in ruwa mai gudana, matsa lamba na bawul na iya zama daga 0.0013MPa zuwa 1000MPa na ultra-high. matsa lamba, da aiki zafin jiki na iya zama C-270 ℃ na matsananci-low zazzabi zuwa 1430 ℃ na high zazzabi.

Ana iya sarrafa bawul ɗin ta hanyoyi daban-daban na watsawa, kamar manual, lantarki, hydraulic, pneumatic, turbine, electromagnetic, electromagnetic, electro-hydraulic, electro-hydraulic, gas-hydraulic, spur gear, bevel gear drive;A cikin matsa lamba, zazzabi ko wani nau'i a ƙarƙashin aikin siginar firikwensin, aiki, gwargwadon buƙatun ajiyar ko ba ya dogara da siginar firikwensin don buɗewa mai sauƙi ko rufewa, dogara ga tuƙi ko injin atomatik yana buɗe bawul ɗin rufewa don buɗewa da rufewa. ɗagawa, zamewa, wuri ko motsi motsi, don canza girman tashar jiragen ruwa don gane aikin sarrafawa.