Bosch Rexroth | ZDR6DP2-4X210YMV
ZDR6DP2-4X/210YMV
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The ZDR6DP2-4X/210YMV valve is manufactured by Bosch Rexroth as a member of the ZDR Pressure Reducing Valves series and is used to maintain controlled downstream pressure in hydraulic automation systems. It is built in nominal size 6 so it fits compact manifolds, and the sandwich plate mounting style lets designers stack the unit between subplates without extra tubing. Its porting pattern follows ISO 4401-03-02-0-05, ensuring direct interchange with standard CETOP 03 pads. Pressure is reduced at port P, while the spool symbol P2 → P1 identifies the internal flow path through the regulating element. Adjustment is carried out by a sleeve with a hexagon and protective cap, providing safe access for setting changes. Pilot oil is supplied internally and returned externally, which simplifies supply lines while preventing pilot flow from re-entering the main gallery.
The secondary pressure stage is fixed at 210 bar to give a stable reference level for downstream actuators, and the body tolerates up to 350 bar maximum operating pressure for use in high-pressure pump circuits. A maximum flow rating of 50 l/min supports medium-size cylinders and motors without excessive drop, and up to 160 bar counter pressure at port T can be accepted for load-holding manifolds. FKM seals resist heat and mineral oil to extend service life, while cleanliness class ISO 4406 (C) 20/18/15 defines the filtration level needed to protect the spool from wear. The valve can be installed in any position, giving flexibility in machine layouts, and no check valve is integrated, so reverse flow must be handled by external components.
Technical Specifications
Adjustment Type
Sleeve With Hexagon And Protective Cap
Check Valve
None
Cleanliness Class
ISO 4406 (C) 20/18/15
Installation Position
Any
Max Counter Pressure Port T(y)
160 bar
Max Flow
50 l/min
Max Operating Pressure
350 bar
Mounting Type
Sandwich Plate
Nominal Size
6
Pilot Oil Supply/return
Internal Supply, External Return
Porting Pattern
ISO 4401-03-02-0-05
Pressure Reduction Port
P
Seal Material
FKM
Secondary Pressure Stage
210 bar
Spool Symbol
P2 → P1
1620 Old Apex Road
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