Proportional Directional Valve 4WRTEM16E220L-4X/6EG24K31/A1V - Bosch Rexroth R901543789

Where working pressure swings hard, an internally fed pilot circuit suffers with it. This build of the size 16 range is therefore supplied externally as well as relieved externally, at 220 l/min nominal flow, operating pressure up to 350 bar and spool symbol E.

Benefits

• External pilot oil supply with external return holds pilot pressure steady against 350 bar working pressure.
• 220 l/min nominal flow against 460 l/min maximum flow.
• Spool symbol E across 3 switching positions on 4 ports, mounting pattern ISO 4401-07-07-0-05.
• FKM seals, mass 11.4 kg, hydraulic fluid class HL.
• On-board electronics handle ±10 V, supply 24 VDC.

Applications

The valve suits presses as well as forming plants with heavily changing load pressure, plus test rigs that run their own pilot pump. Symbol E provides the mid position drawn in the schematic. Its 220 l/min cover medium to large cylinders on a size 16 interface.

Manufacturer

Bosch Rexroth, material number R901543789. The type code 4WRTEM16E220L-4X/6EG24K31/A1V states size 16, spool symbol E, 220 l/min nominal flow plus component series 4X.