Double Action Rack ndi Pinion

Mavavu agulugufe okhala ndi mphira ndi mtundu wa valavu womwe ungagwiritsidwe ntchito kudzipatula kapena kuwongolera kuyenda.

Njira yotseka ndiyo diski yomwe imakhala pakati pa thupi la valve.Chimbalecho chimalumikizidwa ndi chogwirira kapena chowongolera kudzera pa shaft yomwe imadutsa kuchokera ku diski kupita pamwamba pa thupi la valve.

Mosiyana ndi valavu ya mpira, disc ya valavu ya butterfly imakhalapo nthawi zonse, yomwe imayambitsa kutsika kwapakati.

Poyerekeza ndi valavu ya mpira, valavu yagulugufe imatha kutsekedwa mwamsanga koma imafuna chithandizo chochepa chifukwa cha kulemera kwake.

Mavavu agulugufe okhala ndi mphira amagwira ntchito motsatana kotala, kutanthauza kuti kutembenuza chimbale chotsekedwa 90 ° kudzatsegula bwino valavu, ndi mosemphanitsa.Atha kutsegulidwanso mochulukira kuti azitha kuyenda bwino.

Izi zitha kuchitika pamanja, koma kuthamanga kwamphamvu kudzakhala kolondola kwambiri ngati actuator ikugwiritsidwa ntchito mogwirizana.

Ma actuators amatha kusinthidwa makonda kuti alole kuyenda kowonjezereka, pogwiritsa ntchito ma positioners ngati ma pneumatic and hydraulic actuators, kapena kugwiritsa ntchito ma modulating board ngati ma actuators amagetsi.