XIANGXINZAIGONGZUOZHONG，DAJIADOUHUIYONGDAOHENDUOFENGJI。TONGYANGFENGJIDEFENLEIYESHIHENDUODE，JINTIANGEIDAJIAJIEXIYIXIALUOCIGUFENGJIYULIXINFENGJIDAODIYOUSHENMEQUBIE，ZUOWEIDIANQIZHUANYEDEXIAOSHIFU，WOYESHICHAXUNYIXIAZILIAO，ZUOYIXIAJILU。
1、壓力
LIXINFENGJIXUANXINGYALIYIBANZAI980PAYIXIA，ERLUOCIGUFENGJIYALIFANWEIZAI9.8kpa-98kpa，YIBANLAISHUO，LIXINFENGJI
YALIXIAOYULUOCIGUFENGJIYALI。
2、流量
YINGONGKUANGXUQIUBUTONG，LIXINFENGJIDUOYITIGONGLIULIANGWEIZHU，YALICIZHI；LUOCIGUFENGJIXUKEFUYIDINGYALI，XIANGBIJIAOLAISHUO，LIULIANGXIAOYULIXINFENGJI。
3、性能特點不同
LUOCIGUFENGJIYULIXINFENGJIYALIBIJIAOQILAI，LUOCIGUFENGJIYALIYIBANDAYULIXINFENGJI，CONGFENGLIANGSHANGBIJIAOQILAI，LIXINFENGJILIULIANGDAYULUOCIGUFENGJI，LUOCIGUFENGJIDUOSHIYONGYUSHUICHANYANGZHI、MEIHUAGONG、SHUINI、WUSHUICHULI、YELIAN、JIANCAI、DIANLIDENGXINGYE。
4、制造精度不一樣
LUOCIFENGJIYAOQIUDEJINGDUHENGAO，DUIZHUANGPEIYAOQIUYEHENYAN，ERLIXINFENGJIBIJIAOSONG。
5、恒流：如果負載需要的是恒流量效果的情況時就用羅茨鼓風機。因為羅茨鼓風機屬于恒流量風機,工作的主參數是風量,輸出的壓力隨管道和負載的變化而變化,風量變化很小。