Bosch Rexroth | DBAW30BH2-2X250ZZ6EG24N9K4A00E
DBAW30BH2-2X/250ZZ6EG24N9K4A00E
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The DBAW30BH2-2X/250ZZ6EG24N9K4A00E is manufactured by Bosch Rexroth within the DBA Pump Safety Blocks series. It is applied in hydraulic automation to protect pumps and maintain circuit control under varying load conditions. The nominal size NG 32 defines the internal passages and suits it for heavy-duty lines. A maximum flow capacity of 600 l/min permits high volume throughput without excessive pressure drop. The block tolerates up to 350 bar at port P, enabling operation on modern high-pressure pump systems. Its set response pressure is fixed at 250 bar so the valve opens when system pressure reaches that level. The operating mode is normally open, which keeps the main passage free until the solenoid is energized. Pressure adjustment is carried out by a sleeve with a hex head and protective cap, allowing secure fine-tuning while shielding the setting from accidental movement. Because the installation position may be any orientation, designers can place the block wherever space and piping layout permit.
The integrated NG6 spool directional valve provides pilot control for load-holding or unloading functions. A 24 V DC coil energizes the spool, delivering compatibility with common machine control voltages. Electrical connection is through an EN 175301-803 three-pole plug (two power pins plus protective earth) for quick disconnection during service. A concealed manual override lets technicians shift the spool mechanically when electrical power is absent. High-pressure flange interfaces complying with ISO 6162-2 form the mounting surface on the pump side. The pressure ports P and p1 use an SAE 1 1/4 interface, while the return port T is threaded G1 1/4, simplifying hose selection. Pilot discharge at port Y/t is limited to 210 bar to protect downstream components. The block weighs 9.2 kg, a factor to consider when selecting support brackets or manifolds.
Technical Specifications
Adjustment Type
Sleeve With Hex And Protective Cap (2)
Coil Voltage
24 V DC (G24)
Connection Standard
ISO 6162-2 (High-Pressure Flange)
Directional Valve Type
NG6 Spool (6E)
Electrical Connector
EN 175301-803, 3-pole (2+PE)
Installation Position
Any
Manual Override
Concealed (N9)
Mass
9.2 kg
Max Operating Pressure (port P)
350 bar
Max Pressure Port Y/t (6eg)
210 bar
Maximum Flow
600 l/min
Nominal Size
NG 32
Operating Mode
Normally Open (B)
Port T Connection
G1 1/4
Ports P/p1 Connection
SAE 1 1/4
Set Response Pressure
250 bar
1620 Old Apex Road
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