Sauer Danfoss H1 - Page 5

5
11063344 • Rev EA • Dec 2012
H1 Axial Piston Pump, Size 045/053, Single
Technical Information
Technical Specications
Technical Specications
(continued)
Fluid speci cations
Feature Unit
Viscosity
Intermittent
1)
mm
2
/s [SUS]
5 [42]
Minimum 7 [49]
Recommended range 12-80 [66-370]
Maximum 1600 [7500]
Temperature
range
2)
Minimum (cold start)
3)
°C [°F]
-40 [-40]
Recommended range 60-85 [140-185]
Rated 104 [220]
Maximum intermittent
1)
115 [240]
Filtration
(recommended
minimum)
Cleanliness per ISO 4406 22/18/13
Effi ciency (charge pressure  ltration)
β-ratio
β
15-20
= 75 (β
10
≥ 10)
Effi ciency (suction and return line  ltration)
β
35-45
= 75 (β
10
≥ 2)
Recommended inlet screen mesh size µm 100 – 125
1)
Intermittent = Short term t < 1min per incident and not exceeding 2 % of duty cycle based load-life
2)
At the hottest point, normally case drain port
3)
Cold start = Short term t < 3min, p ≤ 50 bar [725 psi], n ≤ 1000 min
-1
(rpm) T000 129E
Operating parameters
Feature Unit Size 045 Size 053
Input speed
Minimum for internal charge supply
at minimum charge pressure. Perfor-
mance (pressure and displacement)
may be limited due to limited control
pressure
min
-1
(rpm)
500
Minimum for external charge supply
at minimum charge pressure. Full
performance (pressure and displace-
ment) possible at minimum charge
and control pressure supply.
500
Minimum for full performance (pres-
sure and displacement) for internal
charge supply at minimum charge
and control pressure
1175 1250
Rated 3400
Maximum 3500
System pressure
Maximum working pressure
bar [psi]
420 [6090] 380 [5510]
Maximum pressure 450 [6525] 400 [5800]
Maximum low loop 45 [650]
Minimum low loop pressure 10 [150]
Charge pressure
Minimum
bar [psi]
16 [232]
Maximum 35 [508]
Control pressure
Minimum (at corner power for EDC
and FNR)
bar [psi]
21.5 [312]
Minimum (at corner power for NFPE) 24 [348]
Maximum 40 [580]
Charge pump inlet pressure
Rated
bar (absolute) [in Hg vacuum]
0.7 [9]
Minimum (cold start) 0.2 [24]
Maximum bar [psi] 4.0 [58]
Case pressure
Rated
bar [psi]
3.0 [44]
Maximum 5.0 [73]
Lip seal external pressure Maximum bar [psi] 0.4 [5.8]
T000 171E
For denitions of the following specications, see Basic Information 11062168, Operating
parameters.