◆型號：S-38、SH-38  流 量（升/分）：39-59  揚(yáng)程（米）：30  吸入揚(yáng)程（米）：4.5

 吐出及吸入口徑（毫米）:38  工作人數(shù):1-2

  本型泵的結(jié)構(gòu)原理是，當(dāng)用手往復(fù)搖動搖手柄(29)時，通過軸(21)、搖臂(9)、連桿(36)等傳動機(jī)構(gòu)，使活塞(7)作

往復(fù)運(yùn)動。如圖所示，當(dāng)活塞向左移動時，右端的泵缸體積逐漸擴(kuò)大，形成真空，液體從吸水管(34)經(jīng)過鑄在泵體旁邊

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