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 - Intebe | NBR | ||||||
| 4 - Disiki | Icyuma kitagira umwanda, Umuringa | ||||||
| 5 - Igiti | Icyuma kitagira umwanda, Umuringa | ||||||

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.
| INGANO | d | FLANGE 5K | IMPANDE 10K | L | H | ||||||||
| C | D | nh | t | C | D | nh | t | ||||||
| 050 | 50 | 105 | 130 | 4-15 | 14 | 120 | 155 | 4-19 | 16 | 210 | 131 | ||
| 065 | 65 | 130 | 155 | 4-15 | 14 | 140 | 175 | 4-19 | 18 | 240 | 141 | ||
| 080 | 80 | 145 | 180 | 4-19 | 14 | 150 | 185 | 8-19 | 18 | 260 | 155 | ||
| 100 | 100 | 165 | 200 | 8-19 | 16 | 175 | 210 | 8-19 | 18 | 280 | 171 | ||
| 125 | 125 | 200 | 235 | 8-19 | 16 | 210 | 250 | 8-23 | 20 | 330 | 195 | ||
| 150 | 150 | 230 | 265 | 8-19 | 18 | 240 | 280 | 8-23 | 22 | 360 | 212 | ||
| 200 | 200 | 280 | 320 | 8-23 | 20 | 290 | 330 | 12-23 | 22 | 500 | 265 | ||