Following is a summary of the logic and function of the "High speed load sense unloader valve".
Item Characteristic |
High speed mode |
Low speed mode |
Operating oil flow |
120l/min |
60l/min |
Operating Pressure |
140bar (2000psi) @ HS-LS-U valve |
280bar (4000psi) @ Danfoss PVG32 |
No of pumps operating |
2 x Pumps |
1 x Pump (second pump to tank) |
High speed Solenoid |
Energised |
De-energised |
High Speed relief |
140bar (2000psi) |
Not Active |
Load Sense Solenoid |
Energised |
De-energised |
Load Sense Relief |
140bar (2000psi) |
Not Active |