Composite high speed air release valve inoumbwa nezvikamu zviviri: The high pressure diaphragm otomatiki mhepo yekuburitsa vharuvhu uye yakaderera kumanikidza kupinza mhepo yekuburitsa vharafu. Iyo high pressure air valve inoburitsa kamwe kamwe kamhepo kakaunganidzwa mukati mepombi pasi pekumanikidzwa. Low pressure air valve inogona kuburitsa mhepo mupombi kana pombi isina chinhu ichiiswa nemvura, uye yobva yavhurika otomatiki uye mhepo inopinda mupombi kubvisa vacuum kana pombi yadirwa kana vacuum kana pasi pemamiriro ekuparadzaniswa kwekoramu yemvura.