About these products 39/78
RE 66170-B/2019-05-15, Control block SB24/34, Bosch Rexroth AG
CAUTION!
The threaded plugs on the CVL port side
, the EVL closing side
and threaded plugs and must not be removed! The threaded bores are not
designed for connection fittings.
At versions with working port
, working port
is plugged with
a threaded plug.
Individual pressure compensator :
Controls the valve-internal inlet flow of the
block-internal channel
P
. The integrated non-return valve function prevents the
return flow to the block-internal channel
P
.
Electrohydraulic EHS actuating unit :
Control is realized at port via CAN
bus pilot signal. The received CAN bus pilot signals are converted to respective
deflection of the control spool.
Check valve :
Prevents valve-internal return flow in working port
.
Thermal PRV in check valve :
The thermal PRV is integrated into the check valve
and is opened in case of an inadmissible temperature-related pressure increase in
the working port. The discharged volume is very low.
Shuttle valve :
Directs the higher LS pressure through the control block/control
block segment.
Control is realized via CAN bus pilot signal .
SB24-EHS
Internal function
Operation / control
Fluid plan
