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The ZDR10VP5-3X/200YM pressure reducing valve is produced by Bosch Rexroth within the ZDR Pressure Reducing Valves series and is applied in hydraulic automation to maintain a controlled secondary pressure. With a nominal size of 10, it fits NG10 circuits and supports moderate flow rates through compact passages. The sandwich plate mounting interface enables direct stacking between directional valves without separate piping, while the porting pattern ISO 4401-05-04-0-05 matches common subplates to streamline installation. Its spool symbol P2→P1 designates that inlet flow from P2 is throttled toward P1 as pressure regulation occurs. Pilot oil is returned through port TA, and the internal or external pilot oil supply option offers flexibility when selecting a control source. Because no check valve is integrated, reverse flow must be managed by external components. NBR seals are installed to provide compatibility with standard mineral-oil-based fluids.
The valve accepts HL, HLP, HETG, HEES, HEPG, HFDU, or HFC fluids so users can match the medium to system requirements. Secondary pressure is limited to 200 bar to safeguard downstream actuators, whereas the inlet side tolerates up to 315 bar during operation. A counter pressure of 160 bar is permissible at the tank lines TA and TB without disturbing set pressure, and the unit passes up to 100 l/min so it can serve medium-size circuits. Cleanliness of the working fluid must reach ISO 4406 class 20/18/15 to protect the pilot stage against contamination. Service temperatures range from −30 °C to +80 °C, allowing deployment in outdoor or high-temperature machinery. These parameters define the working envelope and ensure consistent pressure reduction under dynamic flow conditions.
Ambient Temp Max (nbr)
+80 C
Ambient Temp Min (nbr)
-30 C
Check Valve
None
Cleanliness Class
ISO 4406 20/18/15
Hydraulic Fluids
HL, HLP, HETG, HEES, HEPG, HFDU, HFC
Max Counter Pressure (ta/tb)
160 bar
Max Flow
100 l/min
Max Operating Pressure
315 bar
Mounting Interface
Sandwich Plate
Nominal Size
10
Pilot Oil Return Port
TA
Pilot Oil Supply/return
Internal/External
Porting Pattern
ISO 4401-05-04-0-05
Seal Material
NBR
Secondary Pressure Rating
200 bar
Spool Symbol
P2→P1
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