Hydraulic parameters
Inlet pressure
Minimum pressure, continuous = 0.8 bar absolute [6.7 inch Hg vac] (at reduced maximum pump speed)
Minimum pressure, cold start = 0.5 bar absolute [15.1 inch Hg vac]
Pressure compensator valve setting
Setting
100 and 130 cc
147 cc
Minimum
100 bar [1450 psi]
Maximum
310 bar [4495 psi]
260 bar [3770 psi]
Case pressure
Maximum continuous: 0.5 bar [7 psi] Above inlet
Intermittent: 2 bar [29 psi] Cold start
Hydraulic fluid
Refer to Danfoss publication
Fluids and Filtration
BLN-9887 or 520L0463. For information on
biodegradable fluids refer to
Biodegradable Hydraulic Fluids
520L0465. See
Fluid and Filter Maintenance
on page 20 for recommended fluid and filter change intervals.
Temperature range
(1)
Intermittent (cold start): - 40° C [- 40° F]
Continuous: 82° C [180° F]
Maximum
(2)
: 104° C [220° F]
(1) Hydraulic fluid viscosity must be maintained within the prescribed limits.
(2) As measured at the hottest point in the system, e.g. drain line.
Fluid viscosity
Viscosity limits
Rating
mm2/s (cSt) [SUS]
ν continuous
minimum
9 [58]
maximum
110 [500]
ν intermittent
minimum
6.4 [47]
maximum (cold start)
1000 [4700]
Filtration
Required cleanliness level: ISO 4406 Class 18/13 or better. Refer to Danfoss publications
Fluids and
Filtration
BLN-9887 or 520L0463 and
Design Guidelines for Selecting and Maintaining the Required
Hydraulic Fluid Cleanliness
520L0465. See
Fluid and Filter Maintenance
on page 20 for recommended
fluid and filter change intervals.
Service Manual
Series 45 E Frame Open Circuit Pumps
Technical specifications
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Danfoss | September 2016
AX00000024en-US0401 | 11
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