Bosch Rexroth | DAW30B2-5X315-17-6EG24N9K4
DAW30B2-5X/315-17-6EG24N9K4
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The DAW30B2-5X/315-17-6EG24N9K4 valve belongs to the DA Pressure Cut-Off Valves series and is made by Bosch Rexroth. It is installed in hydraulic automation circuits to disconnect pump flow when system pressure reaches a defined level, thereby protecting components and limiting energy consumption. The unit is built in nominal size 32 to suit high-capacity lines, and its pilot-operated design keeps flow losses low during normal operation. A maximum operating pressure of 315 bar can be applied at port P, while a switching pressure differential of 17 percent determines the point at which the main stage closes. Version 17 of the product passes up to 240 l/min before cut-off, so it fits medium-flow power units. The valve is normally open, allowing unrestricted pump flow until the set pressure is reached, and the pilot oil is returned internally to simplify piping. Total mass is 15.0 kg, which must be supported by the manifold or subplate.
The solenoid stage is energized from a 24 V DC supply and connects through a DIN EN 175301-803 plug, enabling quick exchange during service. A concealed manual override lets technicians shift the spool without electrical power for test or emergency functions. The valve interfaces with size 6 directional valve cavities, making it compatible with standard control blocks; this arrangement allows the pilot stage to be driven by compact directional inserts while the main poppet takes the full load. Mineral oil classified as HL or HLP per DIN 51524 is the approved hydraulic fluid, and operation remains reliable up to a viscosity of 800 mm²/s, which supports cold-start conditions where oil is thicker. System cleanliness must not exceed ISO 4406 (c) 20/18/15 to minimize wear on the pilot orifices and the solenoid armature, while return port T or Y can tolerate pressures as high as 100 bar during dynamic cut-off events.
Technical Specifications
Cleanliness Class
ISO 4406 (c) 20/18/15
Directional Valve Size
6
Electrical Connection
DIN EN 175301-803
Hydraulic Fluid
Mineral Oil (HL, HLP) DIN 51524
Manual Override
Concealed
Max Flow (version 17)
240 l/min
Max Operating Pressure (port P)
315 bar
Max Pressure (port T/y)
100 bar
Max Viscosity
800 mm2/s
Nominal Size
32
Pilot Oil Return
Internal
Solenoid Supply Voltage
24 V DC
Switching Pressure Differential
17%
Valve State
Normally Open
Valve Type
Pressure Cut-Off Valve (Pilot Operated)
Weight
15.0 kg
1620 Old Apex Road
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