Proportional Directional Valve 4WRKE25R220L-3X/6EG24EK31/F1D3M - Bosch Rexroth R901372848

Long signal runs between the cabinet and the valve manifold distort voltage command values. The 4WRKE25R220L-3X/6EG24EK31/F1D3M therefore works with a 4...20 mA current command, releases 220 l/min nominal flow and closes the position loop internally, so the axis stays on setpoint at 350 bar operating pressure.

Benefits

• 4...20 mA current interface, insensitive to voltage drop over long cable runs
• The 4 mA live zero makes wire break detection possible without extra circuitry
• 220 l/min nominal flow with a maximum flow rating of 870 l/min
• External pilot oil return keeps the pilot circuit independent of tank back pressure
• On-board electronics inside the valve, wired through one connector, 7-pole (6 + PE)

Applications

The valve fits plants with long cable routes such as steel mills, drawing presses and test fields. The size 25 subplate mounting follows ISO 4401-08-08-0-05. At 17.66 kg it is one of the lighter versions in this size.

Manufacturer

Bosch Rexroth, material number R901372848. The type code 4WRKE25R220L-3X/6EG24EK31/F1D3M defines size, spool symbol, electronics and seal material without ambiguity.