Hydraulic Valves Flashcards
1
Q
What are the four valves that control fluid power?
A
Check or non return valves
Directional control valves
Pressure control valves
Flow control valves
2
Q
What is the simplest form of DCV?
A
Non return valve or check valve
3
Q
How does a pilot NRV differ from a pilot operated valve?
A
Permits flow in both directions
4
Q
What will a pilot operated NRV prevent?
A
Retracting under load
