●　自吸型（DN）

不带活板阀门的自吸容积泵壳。解决阻塞方面的问题，吸入的大提升高度，从地下液灌的液面算起到泵中心可达4-6米。

●　Self-priming Horziontal Type(DN Type)

The basic construction is identical with that of the Basic Type and this type has so built as to allow a self-priming with no flap valve provided．Self-priming volute casing without flap valve tackles clogging problem.Suction lift of maximum 4-6 meters from underground tank is possible．