EHR23 Hydraulic Valve

The EHR23 valve was designed by Bosch Rexroth for double-acting electro-hydraulic hitch control on mid-range tractors.

December 4, 2013

Bosch Rexroth Corporation

Photo Pi 092 13 Ehr23 Ehs1 11259891

Bosch Rexroth has extended the EHR23 hydraulic valve family for use on standard mid-range tractors for double-acting electro-hydraulic hitch control.

Hitch gear raises attached implement if it digs too deep or hits an obstacle, but also presses it actively into soil to achieve a constant working depth
Combines electronics, pilot control valve, sensors and software to produce a closed control loop which maintains preset working depth automatically
Can be used on mid-range tractors from 120 to 230 hp
Controls flow of up to 100 L/min
Compact design allows installation in confined design envelopes
Electro-hydraulic pilot control enhances stability and smoothes out hitch movements for improved tilling quality
Reduces slippage and significantly prevents drive wheels from losing traction, helping preserve soil and reduce risk of erosion
Helps enhance operator convenience by automatically finding control parameters and load-compensating the lowering of high loads

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