美国威格士VICKERS柱塞泵
4535V60A25-1AA-22R
4535V60A25-1CC-22R
4525V60A12-1AA-22R
4525V60A12-1CC-22R
2520V17A5-1AA-22R
2520V17A5-1BB22R
2520V17A5-1CC22R
2520V17A5-1DD22R
2520V17A5-1AB22R
2520V17A8-1AA22R
2520V17A8-1BB22R
2520V17A8-1CC22R
2520V17A8-1CC22L
2520V17A8-1CB22R
2520V17A11-86DD22R
2520V17A11-1DD22R
2520V17A14-1AA22R
2520V17A14-1CC22R
2520V17A14-1CB22R
2520V21A2-1AA22R
2520V21A2-1CC22R
2520V21A5-1AA22R
2520V21A5-1CC22R
2520V21A5-1DD22R
2520V21A8-1AA22R
2520V21A8-1BB22R
2520V21A8-1CC22R
2520V21A8-1DD22R
2520V21A11-1AA22R
2520V21A11-1BB22R
2520V21A11-1CC22R
2520V21A11-1AB22R
2520V21A11-1DA22R
2520V21A12-1AA22R
2520V21A12-1BB22R
2520V21A12-1CC22R
2520V21A12-1DD22R
2520V21A12-1CB22R
2520V21A14-1AA22R
2520V21A14-1DD22R
2520V21A14-1AB22R
2520V21A14-1AC22R
2520V21A14-1AD22R
2520V21A14-1CB22R
2520VQH17A12-1DD20R
2525V21A17-86DA22R
3520V25A5-1AA22R
3520V25A5-1CC22R
3520V25A8-86CB22R
3520V25A11-1BB22R
3520V25A11-86AB22R
3520V25A12-1AA22R
3520V25A12-1CC22R
3520V25A12-1DD22R
3520V30A2-1CC22R
3520V30A5-1DB22R
3520V30A5-1DC22R
20V5A-1C22R
20V5A-1D22R
20V8A-1A22R
20V8A-1C22R
20V8A-1D22R
20V8A-1C22L
20V8A-151C22R
20V11A-1A22R
20V11A-1B22R
20V11A-1C22R
20V11A-1D22R
20V11A-1A22L
20V12A-1A22R
20V12A-1D22R
20VQ5A-1C30
25V10A-1A22R
25V10A-1C22R
若回路负载持续上升，泵的压力也持续上升，当属正常。若负载一定，泵的压力超过负载所需压力值，则应检查泵以外的液压元件，如方向阀、压力阀、传动装置和回油管道。若大压力过高，应调整溢流阀。
振动和噪声
振动和噪声是出现的。它们不仅对机器的操作者造成危害，也对环境造成污染。
