Bosch Rexroth | ZDR10VP7-31200YM12
ZDR10VP7-31/200YM/12
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The ZDR10VP7-31/200YM/12 valve belongs to the ZDR Pressure Reducing Valves series manufactured by Bosch Rexroth for hydraulic automation circuits that require stable downstream pressure. Its nominal size 10 defines the flow section used inside the body, and the ISO 4401-05-04-0-05 mounting interface fits standard subplates for quick replacement. A SAE connection thread links the ports to common pipe fittings. Pressure is adjusted through a rotary knob with a scale, letting maintenance staff set the desired value without separate tools. The unit can be set as high as 200 bar while the housing withstands 315 bar during operation. Internal pilot oil supply draws control fluid from the inlet line, and the regulated outlet is identified as port P1.
This model is supplied without a check valve, so reverse flow must be handled by external components. Counter pressure up to 160 bar is allowed at ports ta and tb, and the channel accommodates a maximum flow of 100 l/min during continuous service. Mounting screws are tightened to 12 Nm to compress the gasket without distorting the body. Pilot oil return is external, directing control oil back to tank through a dedicated line to keep pilot pressure independent of load changes. A G1/8 pressure-gauge port with an 8.5 mm depth permits direct installation of a test gauge for setup and diagnostics. NBR seals are used throughout the valve to maintain compatibility with standard mineral oil and typical temperature ranges found in industrial power units.
Technical Specifications
Adjustment Type
Rotary Knob With Scale
Check Valve
None
Connection Thread
SAE
Max Counter Pressure (ta/tb)
160 bar
Maximum Flow
100 l/min
Maximum Operating Pressure
315 bar
Maximum Set Pressure
200 bar
Mounting Interface
ISO 4401-05-04-0-05
Mounting Screw Torque
12 Nm
Nominal Size
10
Pilot Oil Return
External
Pilot Oil Supply
Internal
Pressure Gauge Port
G1/8
Pressure Gauge Port Depth
8.5 mm
Reduction Port
P1
Seal Material
NBR
1620 Old Apex Road
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