1、工作腔及螺桿轉(zhuǎn)子表面有防腐涂層，可適應(yīng)惡劣工況


2、氣體在泵內(nèi)無(wú)壓縮，適宜抽取可凝性氣體


3、不耗油，無(wú)滴漏


4、結(jié)構(gòu)簡(jiǎn)單，維護(hù)方便。


5、被抽氣體直接排出泵體，不污染水，無(wú)環(huán)保壓力，氣體回收更便捷。


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