Pressure Relief Valve DBW30BG2N5X/140-6EG24N9K4E - Bosch Rexroth R901372920

A size 32 hydraulic circuit needs a relief stage that caps system pressure precisely and drops the circuit to zero pressure on command. This pilot-operated pressure relief valve covers a setting range of 3.8 to 140 bar and passes up to 580 l/min through its threaded connection.

Benefits

• Electrical unloading through a built-on directional spool valve at 24 VDC, so the circuit idles pressureless without a second valve.
• Setting range of 3.8 to 140 bar against a maximum operating pressure of 350 bar, leaving headroom between setpoint and component limit.
• Poppet seat design built for tight closing in the rest position.
• Internal hexagon under a protective cap keeps the adjusted value safe from accidental changes.
• Connection diagram to ISO 6264-10-17, so the valve fits standard subplates.
• 6.49 kg weight at 580 l/min maximum flow.

Technical data

Application

The valve secures pump lines and consumer branches in presses, injection moulding machines and stationary hydraulic power units. The solenoid section unloads the circuit during cycle pauses, which noticeably reduces heating of the hydraulic fluid. Approval for HL fluid suits common mineral oil systems, and the NBR seals match that duty.

Manufacturer

Bosch Rexroth, material number R901372920. Characteristic curves, installation dimensions and tightening torques are documented in the data sheet Pressure relief valve (RE 25802) and its supplement Pressure relief valve (RE 25802-B).