Directional Spool Valve H-4WEH25D6X/6EG24NK4/B10 - Bosch Rexroth R900618352

When neither port P nor the tank line offers reliable conditions for the pilot oil, both paths are taken outside. This pilot-operated directional spool valve routes pilot supply and pilot return externally and switches 700 l/min at up to 350 bar.

Benefits

• External pilot oil supply and external pilot oil return, independent of the pressure in the main circuit.
• Flow up to 700 l/min in size 25, maximum operating pressure 350 bar.
• Spool symbol D, 4 ports, 2 switching positions, solenoid actuation at 24 VDC.
• Subplate mounting to ISO 4401-08-08-0-05 for replacement without reworking the plate.
• 17.1 kg weight, NBR seals, HL hydraulic fluid.

Application

The external pilot oil return keeps the pilot circuit clear of back pressure in the tank line, for example behind return filters or coolers. In large presses and lifting gear the switching behaviour therefore stays stable even at high return pressure. Wiring runs through a 3-pole connector (2 + PE) to EN 175301-803.

Manufacturer

Bosch Rexroth, material number R900618352, type designation H-4WEH25D6X/6EG24NK4/B10. Data sheets RE 24751 and RE 07600-B carry the characteristic curves, port dimensions and installation notes.