Home > Products > Piston Pumps > Propotional Electro-Hydraulic
"A" SERIES PISTON PUMPS
Proportional Electro-Hydraulic Load-Sensing
Type
A16/A22/A37/A56









Specifications
Descriptions/Model N A16 A22 A37 A56
Geometric
Displacement
cm3/rev
(cu.in./rev)
15.8
(.964)
22.2
(1.355)
36.9
(2.25)
56.2
(3.43)
Operation Pres.
MPa(PSI)
Rated 16
(2320)
16
(2320)
16
(2320)
16
(2320)
Interm ittent 21
(3050)
16
(2320)
21
(3050)
21
(3050)
Shaft Speed Range
r/min
Max. 1800 1800 1800 1800
Min. 600 600 600 600
Flow Control
Flow Adj.
Range
L/min
(U.S. GPM)
1-28.4
(.26-7.5)
1-40
(.26-10.6)
1-66
(.26-17.4)
1-101
(.26-26.7)
Min Pres. Required
for Flow Adj.
Mpa
(PSI)
1.5
(220)
1.5
(220)
1.5
(220)
2.0
(290)
Differential Pres.
(Discharge Pres.
-Load Pres.)
Mpa
(PSI)
0.37
(55)
Step. Response
(0 ¡÷ Max. Flow)
ms
70 80 120 125
Hysteresis
-Load Pres.)
Less than 3%
Rated Current
mA
900 700 740 790
Coil Resistance
[20C (68F)]
£[
10
Pres. Control
Pres. Adj. Range
MPa(PSI)
Refer to Model Numver Designation
Step Response ms
t1
t2
80 80 50 55
140 90 80 80
Hy steresis
Less than 2%%
Rated Current
mA
(Pres. Adj. Range)
B:770, C:880, H:790
Coil Resistance
[20C (68F)]
£[
10
Applicable Amplifier Model AME-D2-1010-*-10
Approx. Mass
kg
(lbs.)
Flange Mtg. 32
(70.6)
32
(70.6)
38
(83.8)
45
(99.2)
Foot Mtg. 34.2
(75.4)
34.2
(75.4)
43.2
(95.3)
49.3
(109)


















































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