《换向阀1(英文)》由会员分享，可在线阅读，更多相关《换向阀1(英文)（5页珍藏版）》请在金锄头文库上搜索。
1、 1 of 5 MEC 313 Hydraulics and Pneumatics Valves DCV Pilot-Operated Last update: 4-Oct-13 Pilot-Operated DCV Uses pilot pressure to shift valve position Two applications: 1. Automatic switching: 2. Circuit function can be altered when system pressure changes. Large DCVs: o Large valves require large
2、 forces to shift their positions. o Operator switches a small DCV to send pilot signal to large DCV. o Pilot pressure is used to shift large DCVs spool. 2 of 5 MEC 313 Hydraulics and Pneumatics Valves DCV Pilot-Operated Last update: 4-Oct-13 o O/H Figure 7.36. uses pilot pressure to switch between r
3、egenerative and normal mode. 3 of 5 MEC 313 Hydraulics and Pneumatics Valves DCV Pilot-Operated Last update: 4-Oct-13 o O/H cutaway pilot operated solenoid DCV 4 of 5 MEC 313 Hydraulics and Pneumatics Valves DCV Pilot-Operated Last update: 4-Oct-13 o Picture and symbol pilot operated solenoid DCV 5 of 5 MEC 313 Hydraulics and Pneumatics Valves DCV Pilot-Operated Last update: 4-Oct-13 o O/H circuits using a pilot operated solenoid DCV
