Bosch Rexroth SB24/34 - Page 34

34/78 About these products
Bosch Rexroth AG, Control block SB24/34, RE 66170-B/2019-05-15
Non-return valve : Prevents valve-internal return flow from working port and
to the block-internal channel P.
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.
Spring assembly
: Control spool centering
Detent unit
: Positioning of the control spool is supported by the detent unit.
Thespring assembly is enclosed by the detent unit housing.
Kick-out
: Disengages the deflected control spool in detent position at a set
hydraulic operating pressure from the detent position.
Spring cap
: Encloses the spring assembly
Control is realized mechanically via control spool deflection
.
SB24-M, deflection sideA
Internal function
Operation / control
Fluid plan