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The ZDR10VA5-3X/200Y pressure reducing valve belongs to the ZDR Pressure Reducing Valves series and is manufactured by Bosch Rexroth. It is fitted into hydraulic automation circuits to limit downstream pressure and stabilize actuator loads. The valve uses a sleeve with hexagon and cap for pressure adjustment, giving maintenance staff straightforward access for setting. It is sized as nominal size 10 with a CETOP D05 mounting interface, and the porting pattern follows ISO 4401-05-04-0-05 for compatibility with standard subplates. Internal pilot oil supply eliminates the need for an external feed line, while the pilot oil is returned externally to prevent heat accumulation in the main gallery. The spool arrangement corresponds to the symbol A2→A1, enabling pressure reduction between those two ports. Five working ports are available, and a built-in check valve allows free reverse flow to protect downstream components.
The secondary pressure can be adjusted up to 200 bar, and the assembly withstands a maximum operating pressure of 315 bar without distortion. Flow capacity reaches 100 L/min, ensuring low pressure drop in medium-size circuits. Counter pressure on ports ta/tb is permissible up to 160 bar, which supports remote tank installations. A G1/8 pressure gauge port is provided for monitoring the regulated side during commissioning. The valve weighs 2.38 kg, a manageable mass for manifold installation. NBR seals are used to resist common hydraulic fluids, maintaining tightness over service life. These characteristics allow the device to maintain consistent downstream pressure while occupying a compact space in modular manifolds.
Adjustment Type
Sleeve With Hexagon And Cap
Cetop Size
D05
Check Valve
Included
Max Counter Pressure (ta/tb)
160 bar
Max Flow
100 L/min
Max Operating Pressure
315 bar
Nominal Size
10
Number Of Ports
5
Pilot Oil Return
External
Pilot Oil Supply
Internal
Porting Pattern
ISO 4401-05-04-0-05
Pressure Gauge Port
G1/8
Seal Material
NBR
Secondary Pressure Rating
200 bar
Spool Symbol
A2→A1
Weight
2.38 kg
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