SMH三螺杆泵法兰中心距：
SMH40规格法兰中心距:65mm
SMH80规格法兰中心距:130mm
SMH120规格法兰中心距:100mm
SMH210规格法兰中心距:120mm
SMH280规格法兰中心距:150mm
SMH440规格法兰中心距:200mm
SMH660规格法兰中心距:170mm
SMH940规格法兰中心距:230mm
SMH1300规格法兰中心距:240mm
SMH1700规格法兰中心距:280mm
SMH2200规格法兰中心距:300mm
螺杆泵产生噪声的控制方法3：
无脉动消声器
国外制成了双层筒形无脉动消声器，有膨胀形和相位互扰形两种类型，如图所示为这种无脉动消声器的外形。将这种无脉动消声器安装在装置后，收到了明显的效果。泵压力脉动产生的频率噪声由于安装了无脉动消声器，这种颇率的噪声几乎完全衰减了。
SMH卧式三螺杆泵型号(SMH卧式安装、SMS立式安装、SMF法兰式安装、SME插装式安装)(R为右旋，L为左旋)
SMH40R38E6.7W23 SMH40R38U8W23 SMH40R38U12.1W23
SMH40R46E6.7W23 SMH40R46U8W23 SMH40R46U12.1W23
SMH40R54E6.7W23 SMH40R54U8W23 SMH40R54U12.1W23
SMH80R36E6.7W23 SMH80R36U8W23 SMH80R36U12.1W23
SMH80R42E6.7W23 SMH80R42U8W23 SMH80R42U12.1W23
SMH80R46E6.7W23 SMH80R46U8W23 SMH80R46U12.1W23
SMH80R54E6.7W23 SMH80R54U8W23 SMH80R54U12.1W23
SMH120R42E6.7W23 SMH120R42U8W23 SMH120R42U12.1W23
SMH120R46E6.7W23 SMH120R46U8W23 SMH120R46U12.1W23
SMH120R54E6.7W23 SMH120R54U8W23 SMH120R54U12.1W23
SMH210R40E6.7W23 SMH210R40U8W23 SMH210R40U12.1W23
SMH210R46E6.7W23 SMH210R46U8W23 SMH210R46U12.1W23
SMH210R54E6.7W23 SMH210R54U8W23 SMH210R54U12.1W23
SMH280R43E6.7W23 SMH280R43U8W23 SMH280R43U12.1W23
SMH280R46E6.7W23 SMH280R46U8W23 SMH280R46U12.1W23
SMH280R54E6.7W23 SMH280R54U8W23 SMH280R54U12.1W23
SMH440R40E6.7W23 SMH440R40U8W23 SMH440R40U12.1W23
SMH440R42E6.7W23 SMH440R42U8W23 SMH440R42U12.1W23
SMH440R46E6.7W23 SMH440R46U8W23 SMH440R46U12.1W23
SMH440R54E6.7W23 SMH440R54U8W23 SMH440R54U12.1W23
SMH660R40E6.7W23 SMH660R40U8W23 SMH660R40U12.1W23
SMH660R44E6.7W23 SMH660R44U8W23 SMH660R44U12.1W23
SMH660R46E6.7W23 SMH660R46U8W23 SMH660R46U12.1W23
SMH660R51E6.7W23 SMH660R51U8W23 SMH660R51U12.1W23
SMH660R54E6.7W23 SMH660R54U8W23 SMH660R54U12.1W23
SMH940R42E6.7W23 SMH940R42U8W23 SMH940R42U12.1W23
SMH940R46E6.7W23 SMH940R46U8W23 SMH940R46U12.1W23
SMH940R50E6.7W23 SMH940R50U8W23 SMH940R50U12.1W23
SMH940R54E6.7W23 SMH940R54U8W23 SMH940R54U12.1W23
SMH1300R38E6.7W23 SMH1300R38U8W23 SMH1300R38U12.1W23
SMH1300R42E6.7W23 SMH1300R42U8W23 SMH1300R42U12.1W23
SMH1300R46E6.7W23 SMH1300R46U8W23 SMH1300R46U12.1W23
SMH1300R54E6.7W23 SMH1300R54U8W23 SMH1300R54U12.1W23
SMH1700R42E6.7W23 SMH1700R42U8W23 SMH1700R42E6.7W23
SMH1700R46E6.7W23 SMH1700R46U8W23 SMH1700R46E6.7W23
SMH2200R42E6.7W23 SMH2200R42U8W23 SMH2200R42E6.7W23
SMH2200R46E6.7W23 SMH2200R46U8W23 SMH2200R46E6.7W23
SMH2900R40E6.7W23 SMH2900R40U8W23 SMH2900R40E6.7W23
SMH2900R46E6.7W23 SMH2900R46U8W23 SMH2900R46E6.7W23
SMH3600R46E6.7W23 SMH3600R46U8W23 SMH3600R46E6.7W23
SMH5300R46E6.7W23 SMH5300R46U8W23 SMH5300R46E6.7W23
