Type M4-12 Mono and Sandwich Plate Design
- 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 element150 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
- 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 element200 l/min for lateral inlet element
- Actuator side: 200 l/min with load holding function200 l/min with pressure compensator160 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 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
High-Pressure
Type M4-22 Sandwich Plate Design
- 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