Physical properties (continued)
Description
045/053
060/068
Auxiliary mounting flange with
metric fasteners, shaft outer diameter
and splines per ISO 3019-1
Flange 82–2 outer dia:
•
Ø16 mm - 4 (SAE A, 9 teeth)
•
Ø19 mm - 4 (SAE A, 11 teeth)
Flange 101–2 outer dia:
•
Ø22 mm - 4 (SAE B, 13 teeth)
•
Ø25 mm - 4 (SAE B-B, 15 teeth)
Flange 101–2 outer dia:
•
Ø22 mm - 4 (SAE B, 13 teeth)
•
Ø25 mm - 4 (SAE B-B, 15 teeth)
Charge inlet port per ISO 11926-1
7
∕
8
-14 (SAE O-ring boss)
1
1
∕
16
-14 (SAE O-ring boss)
Main port configuration
ISO 11926-1: 1
5
∕
16
-12 (SAE O-ring
boss)
ISO 6162: M12 x 1.75 (Split flange)
Other ports
SAE O-ring boss
Customer interface threads
Metric fasteners
Operating parameters for H1 Tandem Pumps
Input Speed (at minimum charge/control pressure)
Description
Size 045/053
Size 060/068
Minimum for external charge supply
1)
500 min
-1
(rpm)
500 min
-1
(rpm)
Rated
3400 min
-1
(rpm)
3500 min
-1
(rpm)
Maximum
3500 min
-1
(rpm)
4000 min
-1
(rpm)
1)
Full performance (pressure and displacement) possible at minimum charge and control pressure supply.
System pressure
Description
Size 045
Size 053
Size 060
Size 068
System pressure
Max. working
420 bar [6092 psi] 380 bar [5511 psi] 420 bar [6090 psi] 380 bar [5510 psi]
Maximum (peak)
450 bar [6527 psi] 400 bar [5802 psi] 450 bar [6525 psi] 400 bar [5800 psi]
Max. low loop
45 bar [653 psi]
45 bar [650 psi]
Min. low loop
10 bar [145 psi]
10 bar [145 psi]
Control pressure
Min. at corner
power (EDC,
MDC, FNR)
21.5 bar [312 psi]
18.5 bar [270 psi]
Maximum
40 bar [580 psi]
40 bar [580 psi]
Other pressure type for all tandem pumps
Description
045–068
Charge pressure
Minimum without CCO valve
14.5 bar [210 psi]
Minimum with CCO valve
18 bar [265 psi]
Maximum
34 bar [493 psi]
Case pressure
Rated
3.0 bar [44.0 psi]
Maximum
5.0 bar [73.0 psi]
Lip seal external
Maximum
0.4 bar [5.8 psi]
Service Manual
H1T 045/053, 060/068 Axial Piston Tandem Pumps
Technical Specifications
28 |
©
Danfoss | September 2020
AX152886481761en-000405