Apẹrẹ impeller pẹlu impeller pipade (boṣewa) ati impeller ṣiṣi da lori awọn gbigba (ZGPO).Ibamu to dara julọ pẹlu ọpọlọpọ awọn ipo iṣẹ, impeller pipade pẹlu awọn iṣẹ ṣiṣe giga, awọn iye NPSHr kekere ṣii impeller fun awọn olomi gaseous pupọ, ifọkansi to lagbara (to 10%), awọn ifasoke pẹlu NPSHr kekere pupọ.