Proportional Directional Valve 4WRZE25W9-220-7X/6EG24N9K31/A1D3V - Bosch Rexroth R900930166

A concealed manual override helps during commissioning and fault finding while staying safe from accidental operation in service. The 4WRZE25W9-220-7X/6EG24N9K31/A1D3V brings one and controls 220 l/min nominal flow in size 25.

Benefits

• Concealed manual override, move the axis without a command signal, protected against accidental operation.
• 220 l/min nominal flow, up to 870 l/min maximum flow.
• Command value ±10 V, on-board electronics, 24 V DC supply.
• Symbol W9 with a pressure reducing valve in the pilot stage, 350 bar operating pressure.
• External pilot oil supply plus external return, connection diagram ISO 4401-08-08-0-05.
• 20.5 kg, FKM seals, UKCA evidence SI2016/1091.

Applications

The valve suits plants that are retooled regularly or tested on site. Maintenance staff can drive the axis by hand to check end positions without putting the control system into operation.

Manufacturer

Bosch Rexroth, material number R900930166, product family 4WRZ(E). The A1D3V suffix in the type code stands for the signal type along with the electronics version. Characteristic curves and installation dimensions are in data sheet RE 29115 and RE 07600-B.