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The ZDB10VP2-4X/200V is part of the ZDB Pressure Relief Valves series from Bosch Rexroth and serves hydraulic automation tasks that require controlled pressure limitation. As a pilot-operated pressure relief unit, it opens gradually to divert flow and stabilize circuit pressure. The component is supplied as a sandwich plate valve so it can be stacked between subplates without extra piping. Its P–T relief function routes excess pressure from the pressure port to the tank port, preventing overload. The adjustment sleeve with a hex and cap lets maintenance staff set the required pressure with a wrench while securing the setting against tampering. The device can be tuned up to a maximum set pressure of 200 bar and remains safe up to a maximum operating pressure of 315 bar. A counter pressure of up to 40 bar is acceptable at the tank line, and oils between 10 and 800 mm²/s viscosity are supported.
For reliable sealing, the unit uses FKM elastomers that withstand common hydraulic fluids. It can operate with ambient temperatures from −15 °C to +80 °C, matching the fluid temperature range of −15 °C to +80 °C inside the channels. The product can be installed in any position, giving designers freedom when arranging manifold stacks. System cleanliness must meet ISO 4406 (c) code 20/18/15 so that internal passages remain free of abrasive particles. No locating hole is provided, so external dowels or bolts must guide the plate during assembly. The device is shipped without corrosion protection, meaning exposed surfaces should be protected by the user when it is used in humid or aggressive environments. These characteristics complete the technical profile and show how the ZDB10VP2-4X/200V integrates into pressure control loops while maintaining consistent performance within the specified environmental and fluid limits.
Adjustment Type
Sleeve With Hex And Cap
Ambient Temp Range (fkm)
–15 to +80 °C
Cleanliness Class
ISO 4406 (c) 20/18/15
Connection Type
Sandwich Plate Valve
Corrosion Protection
None
Fluid Temp Range (fkm)
–15 to +80 °C
Installation Position
Any
Locating Hole
None
Maximum Counter Pressure
40 bar
Maximum Operating Pressure
315 bar
Maximum Set Pressure
200 bar
Relief Function
P–T
Seal Material
FKM
Valve Type
Pilot-Operated Pressure Relief
Viscosity Range
10 to 800 mm²/s
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