Parker Hannifin VO40 - Manual (Page 17)

13 Parker Hannifin Corporation
Open-Center Directional Control Valve
VO40
Catalog HY17-8505/UK
[16] - Main Relief Options
PS
Adjustable main pilot-operated relief.
Adjustment range: 50 to 300 bar (725 to 4300 PSI).
PB
Adjustable main pilot-operated relief
(Tamperproof aluminum cap).
Adjustment range: 50 to 300 bar (725 to 4300 PSI).
PN Adjustable main direct-acting relief.
Adjustment range: 60 to 207 bar (900 to 3000 PSI).
PA
Adjustable main direct-acting relief
(Tamperproof aluminum cap).
Adjustment range: 60 to 207 bar (900 to 3000 PSI).
Y Y plug (cavity machined and plugged).
[17] – Pressure Setting – Enter pressure setting (PSI or Bar)
Note: Relief valve code PN and PA max setting is
207 bar (3000 PSI).
[17C] – Relief Flow Setting
Flow in LPM or GPM.
Ordering Information – Inlet Cover