Bosch Rexroth | DBAW30BH2-1X315YS6EG24N9K4R12
DBAW30BH2-1X/315YS6EG24N9K4R12
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The DBAW30BH2-1X/315YS6EG24N9K4R12 pump safety block is manufactured by Bosch Rexroth for the DBA Pump Safety Blocks series and fits into hydraulic automation circuits to protect pumps and actuators from overload. Its nominal size of 32 matches large-bore lines, and the body withstands 350 bar at port P, 315 bar at port T, and 210 bar at port Y to separate inlet, tank, and pilot return pressures. The internal galleries support a maximum flow of 600 l/min, maintaining stable velocity in high-capacity systems. A 1.2 mm damping nozzle sits in the pilot stage to reduce pressure spikes during rapid unloading. Pilot oil is routed externally through port Y so control pressure is not influenced by tank backpressure. Mounting faces follow the ISO 6162-2 porting pattern, allowing direct connection to SAE flanged manifolds commonly used on heavy machinery.
Electrical actuation is provided by a 24 V DC solenoid coil, which connects through an EN 175301-803 three-pole plus protective earth plug for straightforward wiring to the machine control panel. The unit operates in ambient temperatures from –20 °C to +50 °C, while compatible hydraulic fluids may range between –20 °C and +80 °C without loss of sealing integrity. A cleanliness rating of ISO 4406 (c) 20/18/15 is required to keep the damping orifice and seat free from particulates. The assembled block weighs 9.8 kg, making it manageable for one technician during installation or service.
Technical Specifications
Ambient Temp Max (nbr)
+50 °C
Ambient Temp Min (nbr)
-20 °C
Cleanliness Class
ISO 4406 (c) 20/18/15
Coil Voltage
24 V DC
Electrical Connection
EN 175301-803 (3-pole 2+PE)
Hydraulic Fluid Temp Max (nbr)
+80 °C
Hydraulic Fluid Temp Min (nbr)
-20 °C
Mass
9.8 kg
Max Flow
600 l/min
Max Operating Pressure (port P)
350 bar
Max Operating Pressure (port T)
315 bar
Max Pressure (port Y/t)
210 bar
Nominal Size
32
Nozzle Diameter (damping)
1.2 mm
Pilot Oil Return
External (Y)
Porting Pattern
ISO 6162-2
1620 Old Apex Road
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