?根據(jù)不同的工作壓力和工作環(huán)境，在液壓系統(tǒng)中選用不同型號液壓泵，可以提高液壓系統(tǒng)的工作效率和穩(wěn)定性，節(jié)省能量，提高產(chǎn)品質(zhì)量和產(chǎn)品競爭力此外，液壓回流泵是一種新型節(jié)能產(chǎn)品由于回流泵體積小、重量輕，而效率高，因而能廣泛用于各種流體工程機械中。
這類泵的結(jié)構(gòu)簡單：油封和泵內(nèi)均為一體成型的金屬材料制成（根據(jù)材質(zhì)不同分為鑄造精密泵、玻璃鋼精密泵等）這樣不但可以減少油封的損壞，而且由于流體工程機械中泵內(nèi)的壓力表處于真空狀態(tài)，泵內(nèi)無氣，泵內(nèi)介質(zhì)較少，相對地減小了體積和重量；油泵有真空泵、真空流量調(diào)整裝置和真空輔助裝置等部件；另外由于液體是靜止的和流動的，不需要潤滑，因此在設(shè)計、制造時都很省油。
低噪聲，無污染，有良好的耐溫性能，并能改善電機的運行特性，可在苛刻條件下工作噪音極小，不會污染工作環(huán)境效率高流量能控制在標準規(guī)格范圍內(nèi)低功耗運行平穩(wěn) 由于油泵的輸入油量與出口油量一致，因此可根據(jù)用戶需要靈活地調(diào)節(jié)其流量。
這種泵的主要特點是，對壓力調(diào)節(jié)范圍較大，且不受流量限制，且不需要對設(shè)備進行改造如無液流量監(jiān)測系統(tǒng)或儀表裝置，壓力過高時只能調(diào)整油壓；壓力過低時則又需增加液量泵的主要結(jié)構(gòu)是：用彈簧來保持動平衡以防止振動；泵腔里有若干個工作腔。
活塞在運動中產(chǎn)生著巨大的推力并將其作用于氣缸壁而產(chǎn)生著反作用力當活塞受到徑向力時就會有一部分被吸進氣缸內(nèi)，另一部分又通過一個工作腔繼續(xù)運動，所以活塞向外產(chǎn)生著作用力；活塞在缸蓋內(nèi)運動時，其行程相當于泵的輸出量（流量）的百分比。
90-R-055-KA-1-AB-60-D-4-S1-L-03-FAC-42-42-24-F078 90R055KA1AB60D4S1L03FAC424224F078 90-R-055-KA-1-AB-60-L-3-C6-C-03-GBA-42-42-20 90R055KA1AB60L3C6C03GBA424220 90-R-055-KA-1-AB-60-L-3-S1-D-03-GBA-35-35-24 90R055KA1AB60L3S1D03GBA353524 90-R-055-KA-1-AB-60-P-3-C6-C-03-EBC-35-35-30 90R055KA1AB60P3C6C03EBC353530 90-R-055-KA-1-AB-60-P-3-S1-C-03-GBA-35-35-24 90R055KA1AB60P3S1C03GBA353524 90-R-055-KA-1-AB-60-P-3-T1-C-03-EBC-26-26-24 90R055KA1AB60P3T1C03EBC262624 90-R-055-KA-1-AB-60-P-3-T1-C-03-GBA-26-26-24 90R055KA1AB60P3T1C03GBA262624 90-R-055-KA-1-AB-60-P-4-S1-C-03-GBA-17-17-20 90R055KA1AB60P4S1C03GBA171720 90-R-055-KA-1-AB-60-R-3-S1-C-00-GBA-26-26-24 90R055KA1AB60R3S1C00GBA262624 90-R-055-KA-1-AB-60-R-3-S1-D-03-FAC-38-38-24 90R055KA1AB60R3S1D03FAC383824 90-R-055-KA-1-AB-60-S-3-C6-C-03-GBA-35-35-24 90R055KA1AB60S3C6C03GBA353524 90-R-055-KA-1-AB-60-S-3-C6-C-04-GBA-42-42-20 90R055KA1AB60S3C6C04GBA424220 90-R-055-KA-1-AB-60-S-3-S1-C-02-GBA-35-35-24 90R055KA1AB60S3S1C02GBA353524 90-R-055-KA-1-AB-60-S-4-S1-D-03-GBA-35-35-24 90R055KA1AB60S4S1D03GBA353524 90-R-055-KA-1-AB-60-S-4-S1-D-09-GBA-35-35-24 90R055KA1AB60S4S1D09GBA353524 90-R-055-KA-1-AB-80-L-3-S1-B-03-GBA-35-35-24 90R055KA1AB80L3S1B03GBA353524 90R055-KA-1-AB-80-P-4-C6-C-04-GBA-35-35-24 90R055KA1AB80P4C6C04GBA353524 90-R-055-KA-1-AB-80-P-4-C6-C-04-GBA-35-35-24 90R055KA1AB80P4C6C04GBA353524 90-R-055-KA-1-AB-80-P-4-C6-D-03-GBA-35-35-24 90R055KA1AB80P4C6D03GBA353524 90-R-055-KA-1-AB-80-P-4-S1-C-00-GBA-14-14-24 90R055KA1AB80P4S1C00GBA141424 90-R-055-KA-1-AB-80-P-4-S1-C-03-GBA-29-29-24 90R055KA1AB80P4S1C03GBA292924 90-R-055-KA-1-AC-60-L-3-S1-D-03-GBA-42-42-24 90R055KA1AC60L3S1D03GBA424224 90-R-055-KA-1-AC-60-P-4-S1-C-03-GBA-17-17-20 90R055KA1AC60P4S1C03GBA171720 90-R-055-KA-1-BB-60-D-3-C6-L-03-GBA-38-38-22 90R055KA1BB60D3C6L03GBA383822 90-R-055-KA-1-BB-60-L-3-S1-C-03-GBA-35-35-24 90R055KA1BB60L3S1C03GBA353524 90-R-055-KA-1-BB-60-L-4-S1-C-03-GBA-35-35-24 90R055KA1BB60L4S1C03GBA353524 90-R-055-KA-1-BB-60-R-3-C6-D-00-GBA-35-35-24 90R055KA1BB60R3C6D00GBA353524 90-R-055-KA-1-BB-60-R-3-C6-D-03-GBA-26-26-24 90R055KA1BB60R3C6D03GBA262624 90-R-055-KA-1-BB-80-P-3-S1-D-00-GBA-42-42-24 90R055KA1BB80P3S1D00GBA424224 90-R-055-KA-1-BC-60-L-3-C6-C-03-GBA-35-35-24 90R055KA1BC60L3C6C03GBA353524 90-R-055-KA-1-BC-60-L-3-S1-C-03-GBA-35-35-24 90R055KA1BC60L3S1C03GBA353524 90-R-055-KA-1-BC-60-L-4-S1-C-00-GBA-26-26-24 90R055KA1BC60L4S1C00GBA262624 90-R-055-KA-1-BC-60-P-3-C6-C-03-GBA-38-38-24 90R055KA1BC60P3C6C03GBA383824 90-R-055-KA-1-BC-60-P-4-S1-C-00-GBA-26-26-24 90R055KA1BC60P4S1C00GBA262624 90-R-055-KA-1-BC-60-P-4-S1-D-03-GBA-38-38-24 90R055KA1BC60P4S1D03GBA383824 90-R-055-KA-1-BC-60-R-3-C6-C-03-GBA-35-35-24 90R055KA1BC60R3C6C03GBA353524 90-R-055-KA-1-BC-60-R-3-C6-D-02-GBA-42-42-24 90R055KA1BC60R3C6D02GBA424224 90-R-055-KA-1-BC-60-R-3-C6-D-02-GBA-42-42-24-N180 90R055KA1BC60R3C6D02GBA424224N180 90-R-055-KA-1-BC-60-R-3-C6-D-04-GBA-42-42-20 90R055KA1BC60R3C6D04GBA424220 90-R-055-KA-1-BC-60-R-3-S1-B-03-GBA-38-38-24 90R055KA1BC60R3S1B03GBA383824 90-R-055-KA-1-BC-60-R-3-S1-C-03-GBA-35-35-24 90R055KA1BC60R3S1C03GBA353524 90-R-055-KA-1-BC-60-R-3-S1-C-03-GBA-38-14-24 90R055KA1BC60R3S1C03GBA381424 90-R-055-KA-1-BC-60-R-4-S1-C-03-GBA-32-32-24 90R055KA1BC60R4S1C03GBA323224 90-R-055-KA-1-BC-60-S-3-C6-C-03-EBC-45-45-24 90R055KA1BC60S3C6C03EBC454524 90-R-055-KA-1-BC-60-S-3-C6-D-03-GBA-35-35-24 90R055KA1BC60S3C6D03GBA353524 90-R-055-KA-1-BC-60-S-3-S1-C-03-GBA-20-20-24 90R055KA1BC60S3S1C03GBA202024 90-R-055-KA-1-BC-60-S-3-S1-C-03-GBA-23-23-24 90R055KA1BC60S3S1C03GBA232324 90R055-KA-1-BC-60-S-4-C6-C-03-GBA-35-35-24 90R055KA1BC60S4C6C03GBA353524 90-R-055-KA-1-BC-60-S-4-C6-C-03-GBA-35-35-24 90R055KA1BC60S4C6C03GBA353524 90R055-KA-1-BC-60-S-4-S1-D-02-GBA-42-42-24 90R055KA1BC60S4S1D02GBA424224 90-R-055-KA-1-BC-60-S-4-S1-D-02-GBA-42-42-24 90R055KA1BC60S4S1D02GBA424224 90-R-055-KA-1-BC-80-L-3-C6-D-03-GBA-35-35-24 90R055KA1BC80L3C6D03GBA353524 90-R-055-KA-1-BC-80-P-3-S1-C-03-GBA-32-32-24 90R055KA1BC80P3S1C03GBA323224 90-R-055-KA-1-BC-80-P-4-S1-C-00-GBA-21-21-24 90R055KA1BC80P4S1C00GBA212124 90-R-055-KA-1-BC-80-P-4-S1-C-03-GBA-14-14-24 90R055KA1BC80P4S1C03GBA141424 90-R-055-KA-1-BC-80-S-3-S1-C-03-GBA-23-23-24 90R055KA1BC80S3S1C03GBA232324 90-R-055-KA-1-BC-80-S-4-S1-C-03-GBA-20-20-24 90R055KA1BC80S4S1C03GBA202024 90-R-055-KA-1-BC-80-S-4-S1-C-03-GBA-38-38-24 90R055KA1BC80S4S1C03GBA383824 90-R-055-KA-1-CD-60-D-4-C6-L-03-FAC-42-42-24-F078 90R055KA1CD60D4C6L03FAC424224F078 90-R-055-KA-1-CD-60-L-3-S1-C-03-GBA-23-23-24 90R055KA1CD60L3S1C03GBA232324 90-R-055-KA-1-CD-60-L-3-S1-C-03-GBA-35-35-24 90R055KA1CD60L3S1C03GBA353524 90-R-055-KA-1-CD-60-P-3-C6-C-03-GBA-35-35-24 90R055KA1CD60P3C6C03GBA353524 90-R-055-KA-1-CD-60-P-3-S1-C-03-GBA-35-35-20 90R055KA1CD60P3S1C03GBA353520 90-R-055-KA-1-CD-60-P-4-C6-C-03-GBA-26-26-24 90R055KA1CD60P4C6C03GBA262624 90-R-055-KA-1-CD-60-P-4-C6-C-03-GBA-38-38-24 90R055KA1CD60P4C6C03GBA383824 90-R-055-KA-1-CD-60-P-4-S1-C-03-GBA-38-38-24 90R055KA1CD60P4S1C03GBA383824 90-R-055-KA-1-CD-60-R-3-S1-C-03-GBA-20-20-24 90R055KA1CD60R3S1C03GBA202024 90-R-055-KA-1-CD-60-S-3-C6-D-03-GBA-35-35-24 90R055KA1CD60S3C6D03GBA353524 90-R-055-KA-1-CD-60-S-3-S1-C-00-GBA-20-20-24 90R055KA1CD60S3S1C00GBA202024 90-R-055-KA-1-CD-60-S-3-S1-C-03-EBC-23-23-24 90R055KA1CD60S3S1C03EBC232324 90-R-055-KA-1-CD-60-S-3-S1-C-03-GBA-20-20-24 90R055KA1CD60S3S1C03GBA202024 90-R-055-KA-1-CD-60-S-3-S1-C-03-GBA-23-23-24 90R055KA1CD60S3S1C03GBA232324 90-R-055-KA-1-CD-60-S-3-S1-D-03-GBA-35-35-24 90R055KA1CD60S3S1D03GBA353524 90-R-055-KA-1-CD-60-S-4-C6-D-00-GBA-38-38-24 90R055KA1CD60S4C6D00GBA383824 90-R-055-KA-1-CD-80-L-3-S1-B-03-GBA-35-35-24 90R055KA1CD80L3S1B03GBA353524 90-R-055-KA-1-CD-80-L-4-S1-C-00-GBA-14-14-24 90R055KA1CD80L4S1C00GBA141424 90-R-055-KA-1-CD-80-L-4-S1-C-03-GBA-20-20-24 90R055KA1CD80L4S1C03GBA202024 90-R-055-KA-1-CD-80-L-4-S1-D-03-GBA-26-26-24 90R055KA1CD80L4S1D03GBA262624 90-R-055-KA-1-CD-80-P-3-C6-C-03-GBA-32-32-24 90R055KA1CD80P3C6C03GBA323224 90-R-055-KA-1-CD-80-P-3-C6-C-03-GBA-42-42-24 90R055KA1CD80P3C6C03GBA424224 90-R-055-KA-1-CD-80-P-3-C6-D-04-GBA-42-42-24 90R055KA1CD80P3C6D04GBA424224 90-R-055-KA-1-CD-80-P-3-S1-C-00-GBA-40-40-24 90R055KA1CD80P3S1C00GBA404024 90-R-055-KA-1-CD-80-P-3-S1-C-00-GBA-42-42-24 90R055KA1CD80P3S1C00GBA424224 90-R-055-KA-1-CD-80-P-3-S1-C-03-GBA-42-42-24 90R055KA1CD80P3S1C03GBA424224 90-R-055-KA-1-CD-80-P-3-S1-D-00-GBA-29-23-24 90R055KA1CD80P3S1D00GBA292324 90-R-055-KA-1-CD-80-P-3-S1-D-00-GBA-29-29-24 90R055KA1CD80P3S1D00GBA292924 90-R-055-KA-1-CD-80-P-3-S1-D-00-GBA-38-38-24 90R055KA1CD80P3S1D00GBA383824 90-R-055-KA-1-CD-80-P-3-S1-D-00-GBA-42-42-24 90R055KA1CD80P3S1D00GBA424224 90-R-055-KA-1-CD-80-P-4-S1-C-00-GBA-14-14-24 90R055KA1CD80P4S1C00GBA141424 90-R-055-KA-1-CD-80-P-4-S1-C-02-GBA-26-26-20 90R055KA1CD80P4S1C02GBA262620。
