Page 61 - Parker - Hydraulic Motor/Pump

Catalogue HY30-8249/UK Hydraulic motor/pump
Pressure relief valve for F12-motors Series F11/F12

Integrated pressure relief valve
( F12-030, -040, -060 ) Possible pressure settings
Integrated pressure relief valves are available for Code Pressure
F12-030, F12-040 and F12-060. These are designed bar
to protect the motor from short duration pressure 21 210 Port A
spikes. The motor could be ordered with non-adjustable 23 230
pressure setting between 210 - 420 bar. The motor
has to be ordered as unidirectional, L or R, and this is 25 250
specified in the ordering code as example below. 28 280
30 300
F12-030-MS-SV-S-000-P28L-00 33 330
P=Pressure relief valve, 28 = 280 bar, L = left 35 350 Port B
38 380
40 400
42 420

Diagram for PLC082 pressure relief valves integrated in F12-030 4

∆p (bar) Pressure override characteristic

500

400

300

200

100

0
0 25 50 75 100
q (l/min)

Diagram for PLC182 pressure relief valves integrated in F12-040 and F12-060
∆p (bar) Pressure override characteristic

500

400

300

200

100

0
0 25 50 75 100 125 150 175 200
q (l/min)

61 Parker Hannifin
Pump and Motor Division
Trollhättan, Sweden