Proportional Directional Valve 4WRZE25W6-325-7X/6EG24N9K31/A1V - Bosch Rexroth R900731198

A separate pilot circuit and 325 l/min nominal flow characterise this size 25 proportional directional valve. Pilot oil inlet and return sit outside the working circuit, maximum flow is 870 l/min at up to 350 bar operating pressure.

Benefits

• External pilot oil supply and external pilot oil return keep the pilot stage clear of the working circuit, no pressure reducing valve is fitted
• 325 l/min nominal flow, maximum flow 870 l/min, maximum operating pressure 350 bar
• Analog command value ±10 V into the on-board electronics, supply voltage 24 VDC
• Spool symbol W6 with 3 switching positions across 4 ports, concealed auxiliary actuation on the valve
• FKM seals for HL hydraulic fluid, UKCA conformity to SI2016/1091, weight 21 kg

Applications

Forming presses, forging plants and test rigs with heavy load changes run a dedicated pilot circuit, because pilot pressure there must not collapse together with working pressure. The 325 l/min nominal flow covers cylinders of large piston area. Mounting is on a subplate to ISO 4401-08-08-0-05, the electrical link uses a 7-pole connector (6 + PE) to EN 175201-804.

Manufacturer

Bosch Rexroth lists the valve under material number R900731198. Two manufacturer documents are on file, RE 29115 on the pilot-operated proportional directional valve and RE 07600-B on hydraulic valves.