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
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