Iyo micro-retarded check valve is hydraulic control valve, iyo inonyanya kushandiswa kudzivirira kudzoka kwepakati mukati mepombi uye kuchengetedza kushanda kwepombi nemichina. Chinhu chayo chikuru ndechokuti panguva yekuvhara, kupikisa pakati pevhavha uye nzvimbo yekuvhara idiki, iyo inogona kuderedza kukurumidza kwekuvhara uye kudzivisa kudzvinyirira kuchinja. Swing cheki vharafu imhando yevharuvhu inogona kuvhurwa nekuvharwa nekutenderedza dhisiki yevharuvhu. Iine chimiro chakareruka uye kushanda kuri nyore. Iyo heavy sando pombi ipombi inofambiswa negiravhiti, iyo inoburitsa simba kuburikidza nekudonha kwesando inorema, kuitira kuti pombi ikwanise kusveta mvura nekubvisa mvura. Backflow waterproof nyundo chigadziro chinodzivirira kudzoka kwepombi, inowanzoshandiswa pamwe chete nevhavhavhavha yekutarisa kuti ive nechokwadi chokuti pombi haidzokeri shure kana yamira kushanda. Ivhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavha inodzivirira kudzoka kwepakati,iyo inowanzoiswa pakubuda kwepombi kudzivirira kudzoka kwepakati mukati pombi apo pombi yakamira, uye kudzivirira kushanda kwakachengeteka kwepombi uye. midziyo.
