Technical Specifications; General Specifications; Features And Options - Danfoss Series 90 Technical Information

Technical Information

Technical Specifications

General Specifications

Design
Direction of rotation
Pipe connections
Recommended installation position
Auxiliary cavity pressure

Features and Options

Feature
Displacement
Flow at rated speed (theoretical) l/min.
Torque at maximum
displacement (theoretical)
Mass moment of inertia of
rotating components
Weight (with control opt. MA)
Mounting (per ISO 3019-1)
Rotation
Main ports: 4-bolt split-flange
(per SAE J518 code 62)
Main port configuration
Case drain ports (SAE O-ring
boss)
Other ports
Shafts
Auxiliary mounting
8
Series 90 Axial Piston Pumps
Axial piston pump of cradle swashplate design with variable displacement
Clockwise, counterclockwise
Main pressure ports: ISO split flange boss
Remaining ports: SAE straight thread O-ring boss
Pump installation position is discretionary, however the recommended control position is on the top
or at the side, with the top position preferred.
Vertical input shaft installation is acceptable.
If input shaft is at the top 1 bar case pressure must be maintained during operation.
The pump housing must be filled with hydraulic fluid under all conditions; including after a long
period of shutdown. Before operating the machine, ensure the pump housing and case drain lines are
free of air.
Recommended mounting for a multiple pump stack is to arrange the highest power flow towards the
input source.
Consult Danfoss for nonconformance to these guidelines.
Will be inlet pressure with internal charge pump. For reference see
pressure with external charge supply.
Please verify mating pump shaft seal capability.
Unit Frame
042 055
cm³/rev. 42 55
[in³]/rev. [2.56] [3.35]
176 215
[US gal/ [46] [57]
min.]
N•m/bar 0.67 0.88
[lbf•in/1000 [410] [530]
psi]
kg•m² 0.0023 0.0060
[slug•ft²] [0.0017] [0.0044]
kg [lb] 34 [75] 40 [88]
Flange Flange
102-2 (SAE B) 127-4 (SAE C)
Right hand or Left hand rotation
mm 19.05 25.4
[in] [0.75] [1.0]
Twin port Twin or side port
UNF thread 0.875–14 1.0625–12
(in.)
SAE O-ring boss
Splined, and tapered shafts available
SAE-A, B, C
520L0603 • Rev 0804 • March 2016
075 100 130
75 100 130
[4.59] [6.10] [7.93]
270 330 403
[71] [87] [106]
1.19 1.59 2.07
[730] [970] [1260]
0.0096 0.0150 0.023
[0.0071] [0.0111] [0.0170]
49 [108] 68 [150] 88 [195]
Flange
152-4 (SAE D)
25.4 25.4 31.75
[1.0] [1.0] [1.25]
Twin port
1.0625–12 1.0625–12 1.3125–12
SAE-A, B, C, D
Operating Parameters. Will be case
180 250
180 250
[10.98] [15.25]
468 575
[124] [160]
2.87 3.97
[1750] [2433]
0.0380 0.0650
[0.0280] [0.0479]
136 [300] 154 [340]
Flange
165-4 (SAE E)
31.75 38.1
[1.25] [1.5]
1.625–12 1.625–12
SAE-A, B, C, D, E