parker pumppu P2 design

P2 Standard pump
P2

P2

Displacement cc/rev 60 75 105 145
Pressure (bar) (cont./ peak) All sizes 320 / 370
Self priming speed (rpm) 2800 2500 2300 2200
Noise Level (dB(A) at 1800 rpm and 250 bar < 74 < 76 < 78 < 80
Controls
Load sensing w. pressure cut off Yes Yes Yes Yes
Pressure/ flow / torque Yes Yes Yes Yes
Pressure/ flow / torque / summation Yes Yes Yes Yes
Electronic flow control Planned
ß10 lifetime @ max. flow and pressure 5000 h @ max ratings
Flange Standard SAE C-4 SAE C-2/4 SAE C-2/4 SAE D-4
Optional SAE B-2 SAE C-2
Shafts (all SAE spline) Standard C C C D
Optional B-B C-C D C
Optional B
Through shaft at full torque Yes Yes Yes Yes
Rear ports Yes Yes
P2 Pump Family

Noise - Air borne
P2/P3 Presentation/ Design

Noise - Hydraulic
P2/P3 Presentation/ Design

Parts produced in house
P2/P3 – Production in Europe

Parts from sub contractors
P2/P3 – Production in Europe

P2 - LA (Load Sensing with Maximum Pressure Control)
P2/P3 Presentation/ Controls
A
B

P2 - LA (Load Sensing with Maximum Pressure Control)
P2/P3 Presentation/ Controls

P2 - LA (Load Sensing with Maximum Pressure Control)
(X) LS signal
Drain to case
Pump pressure to the servo piston
(Onstroke the pump)
Control pressure to the servo piston
(Destroke the pump)
Δ - p adjusting screw
Max. pressure adjusting screw
P2/P3 Presentation/ Controls

Location of orifices
P2/P3 - 075, -105, - 145
Bleed-Off Orifice
M6 x 6 x 0,4(diameter in mm)
P2/P3 Presentation/ Design
Orifice only when there is a torque or torque summation control (1/16 x 0,8 pipe orifice)
10 mm spools

P2 TA ( 20%-60%)
P2 TC ( 50%-90%)
Torque
Load Sensing and
Maximum Pressure Control
P2 TA, TC controls

Pressure, internal feed, to the torque control.
Drain to case.
P2 TA, TC controls
Torque Control Cartridge

P2 TA, TC, controls
Torque Control Cartridge