ductile ironvalavu yozungulira

The ductile ironvalavu yozungulirandi valavu ya njira imodzi yomwe imayikidwa pakhomo la drainpipe kuti madzi agwiritsidwe ntchito ndi kukhetsa madzi komanso ntchito zachimbudzi zimagwira ntchito.Amagwiritsidwa ntchito kusefukira kapena kuyang'ana sing'anga, ndipo amathanso kugwiritsidwa ntchito pazovundikira shaft zosiyanasiyana.Malingana ndi mawonekedwe, chitseko chozungulira ndi chitseko chogwedeza cha square chimamangidwa.The ductile iron round flap valve imapangidwa makamaka ndi thupi la valavu, chivundikiro cha valve ndi chigawo cha hinge.Mphamvu yake yotsegula ndi yotseka imachokera ku kuthamanga kwa madzi ndipo sichifunikira ntchito yamanja.Kuthamanga kwa madzi mu valavu ya flap ndi yaikulu kuposa yomwe ili kunja kwa valavu, ndipo imatsegula.Apo ayi, imatseka ndikufikira kusefukira ndikusiya zotsatira.