Valve y'imvura ni valve idasubira inyuma yo mu bwoko bwa flap ikoreshwa mu gusohora imyanda hejuru y'amazi. Ihujwe n'umuyoboro w'ubutaka ku mpera imwe, indi mpera ikaba iri ku ruhande rw'ubwato kugira ngo imyanda igere ku nyanja. Bityo ishobora kuvugururwa gusa mu gihe cyo kumisha amazi.
Imbere muri valve flap hariyo ifatanye n'agakoresho ko kuyifunga, hamwe n'agakoresho ko kuyifunga. Agakoresho ko kuyifunga ni igice cya valve kigenzurwa kandi kigakoreshwa n'ipine ry'inyuma cyangwa actuator. Intego y'agakoresho ko kuyifunga ni ugufata agakoresho ko kuyifunga mu mwanya wayo, bigatuma amazi adatemba.
Iyo amazi atangiye gutemba, umukozi agomba guhitamo niba azafungura icyuma gifunga cyangwa agakomeza kugifunga. Iyo icyuma gifunga, amazi azaguma hanze ya valve. Iyo icyuma gifunga gifunguwe n'umukoresha, amazi ashobora gutembera mu buryo bwihuse mu cyuho. Igitutu cy'amazi kizarekura icyuma gifunga, kikagiha uburyo bwo kunyura mu nzira yo gusohokera mu cyerekezo kimwe. Iyo amazi ahagaze, icyuma gifunga kizahita gisubira mu mwanya wacyo ufunze.
Nubwo icyuma gifunga kiri mu mwanya wacyo cyangwa kitarimo, niba amazi anyura mu mwobo, amazi asohoka inyuma ntashobora kwinjira muri valvu bitewe n'uburemere bwayo. Iki kintu ni kimwe n'icy'icyuma gipima aho amazi asohoka inyuma abuzwa kugira ngo adahumanya sisitemu. Iyo umugozi umanuwe, icyuma gifunga kizongera gufata icyuma gifunga aho kiri hafi. Iki gikoresho gifunganye gitandukanya umuyoboro kugira ngo gikomeze gukoreshwa nibiba ngombwa.
| Igice No. | Ibikoresho | ||||||
| 1 - Umubiri | Icyuma gikozwe mu cyuma | ||||||
| 2 - Bonnet | Icyuma gikozwe mu cyuma | ||||||
| 3 - Igiti | Umuringa | ||||||
| 4 - Pulagi | Umuringa | ||||||
| 5 - Inkoko | Icyuma, | ||||||

Valve y'imvura ni valve idasubiza amazi mu bwoko bwa fap ikoreshwa mu gusohora amazi y'imvura mu mazi, ihuzwa n'umuyoboro w'amazi ku mpera imwe, indi mpera ikaba iri ku ruhande rw'ubwato kugira ngo amazi y'imvura arenge. Bityo rero ishobora kuvugururwa gusa mu gihe cyo kumisha amazi.
Imbere mu gice cy'ingufuri cy'ingufuri harimo ifatanye n'agakoresho ko gufunga, hamwe n'agakoresho ko gufunga. Agakoresho ko gufunga ni igice cy'agakoresho kagenzurwa kandi gakoreshwa n'ipine ry'inyuma cyangwa igikoresho cyo gufunga. Intego y'agakoresho ko gufunga ni ugufata agakoresho ko gufunga aho gaherereye, bigatuma amazi adatembera neza.
Iyo umukoresha amaze gutangira, agomba guhitamo niba azafungura bloki ifunga cyangwa akaguma ayifunze. Iyo bloki ifunga, bloki iguma hanze ya valve, iyo bloki ifunga ifunguwe n'umukoresha, bloki ishobora kugenda yidegembya mu mfuruka. Igitutu cy'icyuma kizarekura bloki, kiyihe uburyo bwo kunyura mu nzira yo gusohokera mu cyerekezo kimwe. Iyo amazi ahagaze, bloki izahita isubira mu mwanya wayo ufunze.
Uko icyuma gifunga cyangwa kidafunga kiri cyangwa kitabikoze, iyo icyuma gifunga cyangwa kidafunga, icyuma gifunga cyangwa kidafunga icyuma ntikizabasha kwinjira muri valvu bitewe n'uburemere butari busanzwe. Iki kintu ni kimwe n'icyuma gifunga aho icyuma gifunga aho icyuma gifunga kugira ngo kitanduza sisitemu. Iyo umugozi umanuwe, icyuma gifunga cyangwa kidafunga icyuma gifunga icyuma. Agakoresho gafunga icyuma gafata umuyoboro kugira ngo ukomeze gukoreshwa nibiba ngombwa.
| DN | n1×Φd1 | Hcd1 | ΦD1 | n2×Φd2 | Hcd2 | ΦD2 | ΦD | L1 | H1 | H2 | ΦR | Kg |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 50 | 4×18 | 125 | 165 | 8×18 | 160 | 200 | 70 | 180 | 90 | 260 | 140 | 12 |
| 65 | 4×18 | 145 | 185 | 8×18 | 180 | 220 | 85 | 200 | 100 | 270 | 140 | 14 |
| 80 | 8×18 | 160 | 200 | 8×18 | 210 | 250 | 100 | 215 | 108 | 290 | 140 | 20 |
| 100 | 8×18 | 180 | 220 | 8×22 | 240 | 285 | 130 | 250 | 130 | 305 | 140 | 25 |
| 125 | 8×18 | 210 | 250 | 8×22 | 270 | 315 | 158 | 290 | 152 | 330 | 160 | 36 |
| 150 | 8×22 | 240 | 285 | 8×22 | 295 | 340 | 190 | 330 | 176 | 260 | 160 | 43 |
| 200 | 8×22 | 295 | 340 | 12×22 | 350 | 395 | 240 | 425 | 180 | 350 | 160 | 72 |