Bosch Rexroth SB24/34 - Hitch Control Valve EHR24-EHS

30/78 About these products
Bosch Rexroth AG, Control block SB24/34, RE 66170-B/2019-05-15
5.3.11 Hitch control valve EHR24-EHS
Table 17: External ports
Position Designation Information
CAN bus connector
Working port
Working port Double-acting
Return port single-acting
Manual auxiliary actuation for lowering via secondary pressure relief valve
End valve closing side
, ,
Tie rod bore
Table 18: Internal functions
Position Designation Information
Valve axis
Individual pressure compensator with
non-return valve function
Electrohydraulic EHS actuating unit
Check valve
Shuttle valve
Threaded plug
Secondary pressure relief valve
Threaded plug R internal
CAUTION! The treaded plugs on the valve side and threaded plugs and
must not be removed! The threaded bores are not designed for connection fittings.