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The ZDR10VB5-3X/200YMV valve is part of the ZDR Pressure Reducing Valves series manufactured by Bosch Rexroth. It limits downstream pressure in hydraulic automation lines. The component is built to the D05 Cetop size and follows the ISO 4401-05-04-0-05 mounting pattern, so it installs directly on standardized subplates. A nominal size of 10 provides passage dimensions suited for medium-flow circuits, while five ports allow separate pilot and drain connections. The pilot supply and return can be internal or external, giving circuit designers flexibility in control oil routing. The valve operates within a 200 bar pressure stage and tolerates system pressures up to 315 bar; counter pressure on the secondary port may reach 160 bar without affecting stability. A maximum flow rate of 100 L/min ensures adequate volume for actuators supplied through the reduced-pressure line.
Adjustment is performed with a 10 mm hex screw secured by a 24 mm lock nut, enabling fine setting of the reduced pressure while preventing drift in service. Mounting screws are tightened to 12 Nm, which protects the housing threads yet provides the clamping force required for seal integrity. A G1/8 pressure gauge port is provided so technicians can verify the adjusted value directly at the valve. FKM seals resist common hydraulic fluids and elevated temperatures, extending service life in aggressive environments. There is no check valve incorporated, so reverse flow must be handled elsewhere in the circuit. The version B housing weighs 2.7 kg, a mass that supports rigid installation without excessive load on the subplate.
Adjustment Hex Size
10 mm
Cetop Size
D05
Check Valve
None
Lock Nut Size
24 mm
Max Counter Pressure
160 bar
Max Flow Rate
100 L/min
Max Operating Pressure
315 bar
Mount Screw Torque
12 Nm
Mounting Pattern
ISO 4401-05-04-0-05
Nominal Size
10
Number Of Ports
5
Pilot Supply/return
Internal/External
Pressure Gauge Port
G1/8
Pressure Stage
200 bar
Seal Material
FKM
Weight (version B)
2.7 kg
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