Sauer Danfoss 40 Series - Table of Contents

3
520L0635 • Rev EH • June 2009
Series 40 Axial Piston Pumps
Technical Information
Contents
GENERAL DESCRIPTION
TECHNICAL
SPECIFICATIONS
OPERATING
PARAMETERS
SYSTEM DESIGN
PARAMETERS
PRODUCT CODING
Series 40 family of pumps and motors ...................................................................................................6
Key features ......................................................................................................................................................7
M25 variable pump........................................................................................................................................8
M35 variable pump (M44 similar) .............................................................................................................8
M46 variable pump........................................................................................................................................8
System circuit diagram .................................................................................................................................9
M46 Pump schematic diagram .................................................................................................................9
Overview .........................................................................................................................................................10
General .............................................................................................................................................................10
Features ...........................................................................................................................................................10
Specications .................................................................................................................................................10
Operating parameters ................................................................................................................................11
Fluid specications ......................................................................................................................................11
Performance ...................................................................................................................................................12
Fluids .................................................................................................................................................................13
Viscosity ...........................................................................................................................................................13
Temperature ...................................................................................................................................................13
Charge pressure ............................................................................................................................................13
Case pressure .................................................................................................................................................13
Pressure ratings .............................................................................................................................................14
Speed ratings .................................................................................................................................................14
Inlet pressure .................................................................................................................................................15
Theoretical output .......................................................................................................................................15
Sizing equations ...........................................................................................................................................16
Filtration...........................................................................................................................................................17
Suction ltration......................................................................................................................................17
Charge ltration ......................................................................................................................................18
Redundant braking system requirement ............................................................................................19
Loop ushing .................................................................................................................................................19
Reservoir ..........................................................................................................................................................19
Case drain usage for tandem pumps ....................................................................................................19
Bearing life and external shaft loading ...............................................................................................20
Hydraulic unit life .........................................................................................................................................21
Mounting ange loads ...............................................................................................................................22
Model code .....................................................................................................................................................23
Revised model code ....................................................................................................................................24