適(shi)用工況：廣泛應用于(yu)抽送(song)酸、堿液、油類、稀有貴重液體以(yi)及循環水設備配套的場合，特別(bie)是易(yi)燃(ran)、易(yi)爆(bao)、揮發性液體的抽送(song)。

結(jie)構特點：閉式(shi)或(huo)半(ban)開式(shi)葉(xie)輪(lun)。自吸(xi)時(shi)間短，自吸(xi)高度最(zui)高能達到5m。閉式(shi)葉(xie)輪(lun)內循環方式(shi)，半(ban)開式(shi)葉(xie)輪(lun)外循環方式(shi)。

排氣(qi)方(fang)式：自(zi)動排氣(qi)。只要(yao)把(ba)出入口閥門打開即可實現。

Applicable conditions: widely used in pumping acid, lye, oil, rare and precious liquid and circulating water equipment, especially flammable, explosive, volatile liquid pumping occasions.

Structure features: closed or semi-open impeller. self-priming time is short, self-priming height can reach up to 5m.

Exhaust mode: automatic exhaust. just open the inlet and outlet valve.