Type M4-12
Mono and Sandwich Plate Design

Rexroth_Load Sensing Control Block_M4-12
  • Nominal size 12
  • Unit series 2X
  • Nominal pressure 350 bar (pump side)
  • Nominal pressure 420 bar (actuator side)
  • Maximum flow
    • Pump side:
      200 l/min for central inlet element
      150 l/min for lateral inlet element
    • Actuator side:
      130 l/min with pressure compensator and load holding function

 

FEATURES

System

  • Load pressure-independent flow control
    • Open center for fixed displacement pump
    • Closed center for variable displacement pump

Type

  • Sandwich plate design
    • Inlet element
    • Up to 10 directional valve elements
    • Up to 20 directional valves with central inlet element
    • End element
  • Monoblock (single)
    • Inlet element combined with 1 spool axis
    • Up to 9 directional valve elements flangeable

Types of operation

  • Mechanical:
    • Handle-operated lever
    • Tongue
  • Hydraulic
  • Servo-hydraulic
  • Electro-hydraulic (switching, proportional)
  • Electro-hydraulic with on-board electronics (EPM2)

Flow

  • Load pressure compensated
  • High repeatability
  • Low hysteresis
  • Adjustable via stroke limitation

Pressure relief function

  • Inlet element:
    • Pilot-operated pressure valves with large nominal width
  • Directional valve element / actuator ports
    • Compact shock valves with feed function

LS pressure relief function

  • Adjustable for each actuator port
  • External pressure adjustment for each actuator port possible
  • Electro-proportional per section

Areas of application

  • Truck applications
  • Drilling machinery
  • Forestry machines
  • Large-size and telescopic forklifts
  • Municipal vehicles
  • Cranes
  • Construction machines
  • Lifting platforms
  • Heavy load vehicles
  • Mining applications

 

Type M4-15
Sandwich Plate Design

Rexroth_Load Sensing Control Block_M4-15
  • Nominal size 15
  • Component series 2X
  • Nominal pressure 350 bar (pump side)
  • Nominal pressure 420 bar (actuator side)
  • Maximum flow
    • Pump side:
      300 l/min for central inlet element
      200 l/min for lateral inlet element
    • Actuator side:
      200 l/min with load holding function
      200 l/min with pressure compensator
      160 l/min with pressure compensator and load-holding functon

 

FEATURES

System

  • Load pressure-independent flow control
    • Open center for fixed displacement pump
    • Closed center for variable displacement pump

Type

  • Sandwich plate design
    • Inlet element
    • Up to 9 directional valve elements
    • Up to 18 directional valve elements with central inlet element, thereof max. 6 with servo operation
    • End element
  • Types of operation
    • Mechanical (hand lever following)
    • Hydraulic
    • Servo-hydraulic
    • Electro-hydraulic (switching, proportional)
    • Electro-hydraulic with on-board electronics (EPM2)

Flow

  • Load pressure compensated
  • High repeatability
  • Low hysteresis
  • Adjustable via stroke limitation

Pressure relief function

  • Inlet element
    • Pilot-operated pressure valves with large nominal width
  • Directional valve element / actuator ports
    • Compact pressure valves with feed function
  • LS pressure limitation
    • Adjustable as per actuator port
    • External pressure setting as per actuator port possible
    • Electro-proportional as per section

Areas of application

  • Cranes
  • Large-size and telescopic forklifts
  • Rock crushers
  • Forestry machines
  • Drilling equipment
  • Truck applications
  • Municipal vehicles
  • Stationary applications

 

Type M4-22
Sandwich Plate Design

Rexroth_Load Sensing Control Block_M4-22
  • Nominal size 22
  • Series 1X
  • Nominal pressure 350 bar (pump side)
  • Nominal pressure 420 bar (actuator side)
  • Nominal flow
    • Pump side:
      400 L/min (Inlet element)
      600 L/min (with P1 and P2 ports)
    • Actuator side:
      400 L/min

 

FEATURES


System

  • Load pressure-independent flow control
    • Open center for fixed displacement pump
    • Closed center for variable displacement pump

Design

  • Sandwich plate design
    • Inlet element
    • Up to 8 directional valve elements
    • End element
  • Types of actuation
    • Mechanical
    • Hydraulic
    • Electro-hydraulic (on/off, proportional)

Flow

  • Load pressure compensated
  • High repeatability
  • Low hysteresis
  • Adjustable via stroke limitation

Pressure relief function

  • Inlet element:
    • Pilot-operated pressure relief valves of large nominal width
  • Directional valve element / actuator ports
    • Relief valves with anti-cavitation function
  • LS pressure limitation
    • Adjustable for each actuator port
    • External pressure adjustment possible for each actuator

Fields of application

  • Cranes
  • Drilling machines
  • Forestry machines
  • Others