?回轉泵是利用齒輪傳動的回轉齒輪帶動葉輪旋轉的機械它具有結構緊湊，運轉平穩可靠，能耗低，移動方便等優點它是一種新型節能設備，其工作原理是：當齒輪傳動的柱塞與泵殼接觸時就會產生相對的壓力，而當葉輪旋轉時就會產生相對位移從而達到泵送目的；并且由于回轉泵的回轉機構可以360度旋轉，因此被廣泛用于建筑施工工程上。
齒輪和軸都是通過聯軸器連接的一個相對軸向柱塞進行旋轉運動；同時齒輪也可以通過一根軸向柱塞運動來完成回轉的工作而回轉轉子又可以根據需要自由的改變運動方向或速度，因此回轉泵被廣泛用于建筑施工中的各種施工設備中。
齒輪泵優點:1節能明顯;2結構簡單運行可靠;3重量輕;4結構緊湊;5重量輕;6工作可靠;7安裝簡便;8能輸送介質廣泛可輸送不同粘度的液體：粘度在6-70m/s之間；液力適用范圍廣;9能輸送不受限制的介質：輸送腐蝕性溶液;10可輸送中性或酸性介質等.回轉泵還可以輸送介質：各種含顆粒狀或粒徑小于10μm以上的非懸浮固體物體.一般工作溫度70-90℃.輸送介質常用水.油。
\輸送介質主要是水和油.水.油.空氣和其他介質.液壓油等.液壓系統中油液通過密封室進入泵體或排出腔內；油液由一個入口進入泵腔時壓力較低（一般在0-6MPa)而通過另一個入口時壓力就會增加而達到極限壓力（通常大于12MPa)后再減壓回油到出口。
常見品種有離心泵，軸向泵體和柱塞泵系統 90-L-130-KP-1-NN-80-P-3-F1-F-03-GBA-35-35-24 90L130KP1NN80P3F1F03GBA353524 90L130-KP-1-NN-80-P-3-F1-F-03-GBA-45-45-24 90L130KP1NN80P3F1F03GBA454524 90-L-130-KP-1-NN-80-P-3-F1-F-03-GBA-45-45-24 90L130KP1NN80P3F1F03GBA454524 90L130-KP-1-NN-80-P-3-F1-H-03-GBA-38-38-24 90L130KP1NN80P3F1H03GBA383824 90-L-130-KP-1-NN-80-P-3-F1-H-03-GBA-38-38-24 90L130KP1NN80P3F1H03GBA383824 90L130-KP-1-NN-80-R-3-C8-H-03-GBA-26-26-24 90L130KP1NN80R3C8H03GBA262624 90-L-130-KP-1-NN-80-R-3-C8-H-03-GBA-26-26-24 90L130KP1NN80R3C8H03GBA262624 90L130-KP-1-NN-80-R-3-F1-H-00-GBA-29-29-24 90L130KP1NN80R3F1H00GBA292924 90-L-130-KP-1-NN-80-R-3-F1-H-00-GBA-29-29-24 90L130KP1NN80R3F1H00GBA292924 90L130-KP-1-NN-80-R-3-F1-H-00-GBA-38-38-24 90L130KP1NN80R3F1H00GBA383824 90-L-130-KP-1-NN-80-R-3-F1-H-00-GBA-38-38-24 90L130KP1NN80R3F1H00GBA383824 90L130-KP-1-NN-80-R-3-F1-H-00-GBA-42-42-24 90L130KP1NN80R3F1H00GBA424224 90-L-130-KP-1-NN-80-R-3-F1-H-00-GBA-42-42-24 90L130KP1NN80R3F1H00GBA424224 90-L-130-KP-1-NN-80-R-3-F1-H-03-GBA-35-35-24 90L130KP1NN80R3F1H03GBA353524 90L130-KP-1-NN-80-R-4-F1-H-03-GBA-35-14-24 90L130KP1NN80R4F1H03GBA351424 90-L-130-KP-1-NN-80-R-4-F1-H-03-GBA-35-14-24 90L130KP1NN80R4F1H03GBA351424 90L130-KP-1-NN-80-R-4-F1-H-03-GBA-35-35-24 90L130KP1NN80R4F1H03GBA353524 90-L-130-KP-1-NN-80-R-4-F1-H-03-GBA-35-35-24 90L130KP1NN80R4F1H03GBA353524 90L130-KP-1-NN-80-S-4-F1-F-03-GBA-35-35-24 90L130KP1NN80S4F1F03GBA353524 90-L-130-KP-1-NN-80-S-4-F1-F-03-GBA-35-35-24 90L130KP1NN80S4F1F03GBA353524 90L130-KP-2-BB-80-D-3-F1-L-00-GBA-26-26-24 90L130KP2BB80D3F1L00GBA262624 90-L-130-KP-2-BB-80-D-3-F1-L-00-GBA-26-26-24 90L130KP2BB80D3F1L00GBA262624 90L130-KP-2-BC-80-L-3-F1-H-03-GBA-45-14-24 90L130KP2BC80L3F1H03GBA451424 90-L-130-KP-2-BC-80-L-3-F1-H-03-GBA-45-14-24 90L130KP2BC80L3F1H03GBA451424 90L130-KP-2-CD-80-R-3-F1-F-03-GBA-29-29-24 90L130KP2CD80R3F1F03GBA292924 90-L-130-KP-2-CD-80-R-3-F1-F-03-GBA-29-29-24 90L130KP2CD80R3F1F03GBA292924 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90L130-KP-5-BC-80-L-3-F1-H-04-GBA-38-38-24 90L130KP5BC80L3F1H04GBA383824 90-L-130-KP-5-BC-80-L-3-F1-H-04-GBA-38-38-24 90L130KP5BC80L3F1H04GBA383824 。
