Pressure Relief Valve DBW 25 BG1-5X/200-6EG24N9K4/12 - Bosch Rexroth R978911837

Commissioning calls for quick changes of the pressure setting, series production calls for electrical unloading. This size 25 version offers both, a rotary knob covering 3.8 to 200 bar and a mounted directional spool valve on 24 VDC that puts the line back to tank level.

Advantages

• Manual adjustment on a rotary knob between 3.8 and 200 bar
• Solenoid unloading on 24 VDC through a mounted directional spool valve
• Flow up to 500 l/min, maximum operating pressure 350 bar
• Threaded connection with two ports to ISO 6264-08-13
• Poppet seat pressure stage, 6.5 kg, NBR seals for HL fluid

Application

It is typically fitted to test rigs and special machines where the target value changes from one specimen to the next. The knob makes a tool unnecessary. Between two test runs the pump keeps turning unloaded through the solenoid stage.

Manufacturer

Bosch Rexroth lists this version as R978911837 in the DB.10-30 product family. The relation between travel and pressure is plotted in the data sheet.