適用工況：用于輸送易汽化或不易汽化、不含顆粒的介質(zhì)。

結構特點：多級葉輪，單邊葉輪級數(shù)最高可達8級，6級以上可采用串聯(lián)多級型式。內(nèi)循環(huán)方式，無外接管路。

排氣方式：自動排氣。只要把出入口閥門打開即可實現(xiàn)。

Applicable working conditions: used for conveying medium which is easy to vaporize or not easy to vaporize and does not contain particles.

Structure features: multi-stage impeller, single-side impeller series up to 8, more than 6 can be used in series multi-stage type. internal circulation, no external pipe.

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