General Description
Overview..............................................................................................................................................................................................5
Features................................................................................................................................................................................................5
System Diagram................................................................................................................................................................................6
Schematic Diagram..........................................................................................................................................................................7
Technical Specification
Design Specifications......................................................................................................................................................................8
Technical Data................................................................................................................................................................................... 8
Operating Parameters.....................................................................................................................................................................9
Fluid Specifications..........................................................................................................................................................................9
Operation
Loop Flushing Valve......................................................................................................................................................................10
Anti-Cavitation and Shock Valve..............................................................................................................................................12
Speed and Temperature Sensor...............................................................................................................................................13
Available Sensors......................................................................................................................................................................13
Temperature range..................................................................................................................................................................14
Protection Characteristics......................................................................................................................................................14
Mating Connectors...................................................................................................................................................................14
Speed Sensor 4.5 - 8 V.............................................................................................................................................................14
Speed Sensor 7 - 32 V..............................................................................................................................................................15
Sensor Position..........................................................................................................................................................................16
Output Pulses.............................................................................................................................................................................16
Operating Parameters
Overview........................................................................................................................................................................................... 17
Speed Ratings..................................................................................................................................................................................17
System pressure............................................................................................................................................................................. 17
Case Pressure...................................................................................................................................................................................18
Temperature....................................................................................................................................................................................18
Viscosity.............................................................................................................................................................................................18
System Design and Parameters
Installation........................................................................................................................................................................................19
Filtration............................................................................................................................................................................................19
Reservoir............................................................................................................................................................................................19
Overpressure Protection (Only for open circuit system)................................................................................................. 19
Summing System Pressure Conditions..................................................................................................................................20
Loop Flushing..................................................................................................................................................................................20
Case Pressure / Open Circuit Operation................................................................................................................................ 20
Redundant Braking System Requirement.............................................................................................................................20
Fluid selection.................................................................................................................................................................................20
Case drain......................................................................................................................................................................................... 20
Bearing loads and life................................................................................................................................................................... 21
Shaft torque..................................................................................................................................................................................... 21
Shaft Loads.......................................................................................................................................................................................21
Duty Cycle and Bearing Life....................................................................................................................................................... 22
Hydraulic Equations Helpful for Motor Selection...............................................................................................................22
Determination of Nominal Motor Size................................................................................................................................... 23
Variables.......................................................................................................................................................................................23
Master Model Code
Model Code (B-C-D-E)...................................................................................................................................................................24
Model Code (K)................................................................................................................................................................................26
Model Code (L-M-N)......................................................................................................................................................................27
Features and Options
Shaft Options...................................................................................................................................................................................28
Installation drawings
Output Shafts: Option A (SAE A, B, 13 teeth)....................................................................................................................... 29
Technical Information
MP1 Axial Piston Motors Size 20/24, 28/32
Contents
© Danfoss | March 2023 BC290322888218en-000203 | 3
