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"A3H" Series Variable Displacement Piston Pumps0 pages
"A3H" Series Variable Displacement Piston Pumps
Spool
Pressure Compensator Valve
Pressure Adj. Screw
Control Piston
Drain Port
Flow Adj. Screw
Pivot
Shaft
OUT
IN
Port Plate
Cradle
Cylinder Block
Slipper Retainer
Spring
Spring
Control Type
Piston Ass'y
Features
High performance at maximum pressure
35MPa
Volumetric efficiency is over 95% and
overall efficiency is more than 90% at
1800 r/min.
"A3H37" type performance charateristics
100
N=1800 r/min
Volumetric Efficiency
Overall Efficiency
%
80
P
ut
Inp
PP
M
M
0
S
0
DR
5 10 15 20 25 30 35
Pressure
M
0
S
DR
Output Flow
Output Flow
S
Output Flow
40
20
0
M
0
Pressure
Pressure
"09"
Constant Power Control Type
DR
0
0
MPa
Compact size
A3H series are compact in size because
output / mass ratio is large.
Pressure
"01"
Pressure Compensator Type
120
20
L/min
40
r
we
Po
kW
P
Input Power
L
60
Output Flow
P
PP
Output Flow
Efficiency
60
"14"
Load Sensing Type
"A3H" Series Variable Displacement Piston Pumps
"
