HGP-22A-F22L HGP-22A-F33L HGP-22A-F44L执行元件有液压缸和液压马达另：对于液压系统这顽疾，有人进行了总结：“发烧、拉稀带得瑟”（这位总结者是东北人）
HGP-22A-F55L HGP-22A-F66L HGP-22A-F88L
HGP-22A-F99L HGP-22A-F1111L HGP-22A-F1212L
HGP-22A-L22R HGP-22A-L33R HGP-22A-L44R
HGP-22A-L55R HGP-22A-L66R HGP-22A-L88R
HGP-22A-L99R HGP-22A-L1111R HGP-22A-L1212R
HGP-22A-L22L HGP-22A-L33L HGP-22A-L44L
HGP-22A-L55L HGP-22A-L66L HGP-22A-L88L
HGP-22A-L99L HGP-22A-L1111L HGP-22A-L1212L
HGP-33A-F44R HGP-33A-F66R2、振动 液压系统的振动也是其痼疾之一 HGP-33A-F88R
HGP-33A-F1111R HGP-33A-F1313R HGP-33A-F1414R
HGP-33A-F1717R HGP-33A-F1919R HGP-33A-F2323R
HGP-33A-F2525R HGP-33A-F2828R HGP-33A-F3030R
HGP-33A-F44L HGP-33A-F66L HGP-33A-F88L
HGP-33A-F1111L HGP-33A-F1313L HGP-33A-F1414L
HGP-33A-F1717L HGP-33A-F1919L HGP-33A-F2323L
HGP-33A-F2525L HGP-33A-F2828L HGP-33A-F3030L
HGP-33A-L44R HGP-33A-L66R HGP-33A-L88R 根据控制方式不同，液压阀可分为开关式控制阀、定值控制阀和比例控制阀压力控制阀又分为溢流阀（安全阀）、减压阀、顺序阀、压力继电器等；流量控制阀包括节流阀、调整阀、分流集流阀等；方向控制阀包括单向阀、液控单向阀、梭阀、换向阀等 HGP-33A-L1111R HGP-33A-L1313R HGP-33A-L1414R
HGP-33A-L1717R HGP-33A-L1919R HGP-33A-L2323R
HGP-33A-L2525R HGP-33A-L2828R HGP-33A-L3030R
HGP-33A-L44L HGP-33A-L66L HGP-33A-F88R
HGP-2A-F9R
HGP-2A-F11R
HGP-2A-F11R-X-4B
HGP-2A-F12R
HGP-3A-F2R-2B
HGP-3A-F6R-X-2B-10
HGP-3A-F6L-X-2B-10
HGP-3A-F8R
HGP-3A-F8R-X-2B-10
HGP-3A-F11R 动力元件的作用是将原动机的机械能转换成液体的压力能 HGP-3A-F11R-2B
HGP-3A-F13R
HGP-3A-F14R
HGP-3A-F17R-X-2B-10
HGP-3A-F19R
HGP-3A-F23R-X-2B-10
HGP-3A-F25R
HGP-3A-F25R-X-2B
HGP-3A-F28R-X-2B-10
HGP-3A-F30R-X-2B-10
HGP-3A-F25-R-Y-4BD-10
HGP-33A-L1111L HGP-33A-L1313L HGP-33A-L1414L
HGP-33A-L1717L HGP-33A-L1919L HGP-33A-L2323L 内泄漏指泄漏过程发生在系统内部，例如液压缸活塞两边的泄漏、控制阀阀芯与阀体之间的泄漏等 HGP-33A-L2525L HGP-33A-L2828L HGP-33A-L3030L PR1-020 PR1-030 PR1-040 PR1-060 PR1-075 PR1-090 PR1-105 PR1-120
PR2-008 PR2-010 PR2-020 PR2-030 PR2-040 PR2-050 PR2-060 PR2-080
YB-E-6 YB-E-8 YB-E-10 YB-E-12 YB-E-16 YB-E-20 YB-E-25 YB-E-32 YB-E-40 YB-E-50 YB-E-63 YB-E-80 YB-E-100 YB-E-125 YB-E-160 YB-E-2002、叶片油泵（包括单级泵、变量泵、双级泵、双联泵） YB-E-200 YB-E-100 YB-E-80 YB-E-40 PVL12-14-65-F-1R-UU YB1-25 YB1-4 YB1-63 YB1-10 YB1-125 YB1-16
YB1-20 YB1-25 YB1-315 YB1-40 YB1-50 YB1-63 YB1-80 YB1-100 YB1-25 YB1-4 YB1-63 YB1-10 YB1-125 YB1-16 YB1-20 YB1-25 YB1-315 YB1-40 YB1-50控制元件（即各种液压阀）在液压系统中控制和调节液体的压力、流量和方向工作介质是指各类液压传动中的液压油或乳化液，有各种矿物油、乳化液和合成型液压油等几大类 YB1-63 YB1-80 YB1-100 PVL12-14-65-F-1R-UU YB1-10/10 YB1-10/6 YB1-10/4 YB1-10/25 YB1-6/4 YB1-6/25 YB1-4/4 YB1-4/25 YB1-25/25 YB1-25/10 YB1-25/6 YB1-25/4 YB1-25/25 YB1-20/10 YB1-20/6 YB1-20/4 YB1-20/25 YB1-16/10 YB1-16/6 YB1-16/4 YB1-16/25 YB1-12/10 YB1-12/6 YB1-12/4 YB1-12/25 YB1-25/25 YB1-25/20 YB1-25/16 YB1-25/12 YB1-20/20 YB1-20/16解决办法：采用质量较好的密封件，提高设备的加工精度液压是传动方式的一种，液压传动是以液体作为工作介质，利用液体的压力能来传递动力 YB1-20/12 YB1-16/16 YB1-12/15 YB1-50/10 YB1-50/6 YB1-50/4 YB1-50/25 YB1-40/10 YB1-40/6 YB1-40/4 YB1-40/25 YB1-32/10 YB1-32/6 YB1-32/4 YB1-50/25 YB1-50/20 YB1-50/16 YB1-50/12 YB1-40/25 YB1-40/20 YB1-40/16 YB1-40/12 YB1-32/25