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Control Blocks
Load Sensing Control Block M4 

Applications:
Drilling equipment, forestry machinery, HGV hydraulic systems, municipal vehicles, aerial working platforms
 
Control block for mobile machines
  • Load Sensing system (LS control)
  • • Closed Center for variable pumps
    • Open Center for fixed pumps
  • Sandwich design
  • Load-pressure-compensated flow
  • Low hysteresis
  • Programmable control electronics
  • Adjustable stroke limitation
  • Priority function (M4-15)
  • Primary and secondary pressure relief
  • LS pressure limitation for each operating connection
  • Modular system
  • Combinable sizes:
  • • M4-12 with M4-15
    • M4-15 with M4-22


Search
 
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Tools

Configurator 
Documentation

Data sheet M4-12 

Data sheet M4-15 

Data sheet M4-22 

Operating instructions 

Size       12 15 22
Flow Port P qV l/min 150 200 400
  Ports A, B qV l/min 130 190 400
Max. operating pressure Pump side pmax bar 350 350 350
  Actuator side pmax bar 420 420 420
Piston axes, max. 20 18 8
Actuation mechanical -
  Hydraulic
  Electrohydraulic
  Superimposed hand-lever operation -



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Product Catalog Mobile Hydraulics, online version, last changed 2014-11-12
©Bosch Rexroth AG, subject to change