Charge Pump; Charge Pump Selection; Charge Pump Flow And Power Curves, 14/17 Cm3 - Danfoss H1 Technical Information

Technical Information
H1 Axial Piston Single Pumps, Size 060/068
Technical specifications

Charge pump

Charge Pump Selection

In most applications a general guideline is that the charge pump displacement should be at least 10% of
the total displacement of all components in the system. Unusual application conditions may require a
more detailed review of charge flow requirements. System features and conditions which may invalidate
the 10% guideline include (but are not limited to):
•
•
•
•
•
Contact your Danfoss representative for application assistance if your application includes any of these
conditions.

Charge pump flow and power curves, 14/17 cm3

Charge pressure: 20 bar [290 psi]
Viscosity: 11 mm2/s [63 SUS]
Temperature: 80°C [176°F]
Charge pump power requirements
Danfoss | May 2017
Continuous operation at low input speeds < 1500 min
High shock loading and/or long loop lines
High flushing flow requirements
Multiple low speed high torque motors
High input shaft speeds
9.0
6
8.0
7.0
5
6.0
4
5.0
3
4.0
3.0
2
2.0
1
1.0
0 0
0 500 1500
2500
1000 2000
Speed min -1 (rpm)
Archivierung 01/2018
-1
(rpm)
Charge pump flow
18
60
15
50
12
40
9
30
6
20
3
10
3500
1
3000 4000
0
0
P003 336E
11071685 | BC00000074en-US0701 | 9
500 1500 2500 3500
1000 2000 3000
Speed min -1 (rpm)
P003 334E
4000