Filter bypass characteristic (completely blocked element)
0
20
[5.28]
40
[10.57]
60
[15.85]
80
[21.13]
100
[26.42]
120
[31.70]
0
22
[319]
20
[290]
18
[261]
16
[232]
14
[203]
12
[174]
10
[145]
8
[116]
6
[87]
4
[58]
2
[29]
Flo
w
l/min [US gal/min]
Differential pressure over filter bypass bar [psi]
(blocked filter element)
P003 185E
Filter bypass
sensor activated
8 mm
2
/s [52 SUS]
74 mm
2
/s [342 SUS]
1600 mm
2
/s [7406 SUS]
Bypass sensor clearance
The bypass sensor is activated by the magnetic bypass valve. No steel parts are allowed within a radius of
150 mm [5.91 in]. Moving steel devices or parts are not allowed within a radius of 250 mm [9.84 in].
P003 356E
mm
[in]
38
[1.50]
150 min
[5.91]
250 min
[9.84]
37
[1.46]
Remote charge pressure filtration, full flow
Reservoir
Charge
pump
Charge
relief
valve
to pump case
to low pressure
side of loop
and servo
control
Strainer
P003 472E
Filter with bypass
Bypass
Filter bypass
sensor
Integral charge pressure filtration, full flow
Reservoir
Charge
pump
Charge
relief
valve
to pump case
to low pressure
side of loop
and servo
control
Strainer
P003 473E
Filter with bypass
Bypass
Filter bypass
sensor
Basic Information
H1 Axial Piston Pumps, Single and Tandem
System design parameters
©
Danfoss | April 2017
11062168 | BC00000057en-US0602 | 29
