Bosch Rexroth | 3WRCBH25V190M-1XM
3WRCBH25V190M-1X/M
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The 3WRCBH25V190M-1X/M valve belongs to the 3WRCBH Cartridge Valves series from Bosch Rexroth and is intended for hydraulic automation tasks that require rapid directional control. It is supplied in nominal size 25 and provides three main ports for circuit integration. A 1:1 area ratio supports balanced actuation, while zero spool overlap reduces dead band during switching. The valve follows a progressive M flow characteristic to give fine control at low openings and higher capacity at full stroke. A rated flow of 190 l/min is achieved when the pilot flow reaches 8 l/min, and the spool shifts within 33 ms to meet fast cycle demands. There is no additional pilot oil port, which simplifies manifold layout, and NBR seals maintain fluid compatibility under standard mineral oil service.
The cartridge weighs 3.9 kg and endures operating pressures up to 315 bar, allowing it to work in high-pressure power units. It passes a maximum flow of 350 l/min without exceeding its pressure limit, provided oil cleanliness is kept at ISO 4406 class 18/16/13. Electrical monitoring is supported by a ±10 V transducer output that interfaces with standard control electronics. The design withstands vibration levels up to 25 g so it can be installed on mobile or fixed plant without loss of accuracy.
Technical Specifications
Actuating Time A–x
33 ms
Additional Pilot Oil Port
None
Area Ratio
1:1
Cleanliness Class (iso 4406)
18/16/13
Flow Characteristic
Progressive (M)
Main Ports
3
Mass
3.9 kg
Max Operating Pressure
315 bar
Maximum Flow
350 l/min
Nominal Size
25
Pilot Flow
8 l/min
Rated Flow
190 l/min
Seal Material
NBR
Spool Overlap
Zero Overlap
Transducer Output
±10 V
Vibration Resistance
25 g
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