Bosch Rexroth | ZDR6DP2-4X75YMV60
ZDR6DP2-4X/75YMV/60
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The ZDR6DP2-4X/75YMV/60 valve is produced by Bosch Rexroth for the ZDR Pressure Reducing Valves series and is intended to maintain stable secondary pressure in hydraulic automation circuits. It uses a sleeve with a hexagon adjustment element, allowing maintenance staff to set the required value with a standard spanner. The nominal size of 6 makes the unit compact enough for CETOP 03 manifold stacks. Internal pilot oil supply removes the need for a separate feed line, while external pilot oil return discharges pilot flow directly to tank. Pressure reduction takes place at port P, so downstream components receive only the regulated pressure. Leakage oil is routed externally to port T(Y) to isolate the spring chamber from back pressure. The mounting interface follows ISO 4401-03-02-0-05, and a dedicated G1/4 gauge port permits direct pressure measurement during commissioning.
The secondary outlet is limited to 75 bar, giving designers a clear ceiling for actuator loads. Inlet pressure can reach 350 bar, enabling the valve to work with high-pressure pumps common in industrial presses. Up to 160 bar of counter pressure at T(Y) is acceptable, so return lines with elevated pressure will not disturb regulation. The flow capacity of 50 l/min supports medium-sized cylinders and motors. FKM sealing elements withstand hot mineral oil and many synthetic fluids, contributing to long service intervals. A cleanliness requirement of ISO 4406 (c) 20/18/15 indicates that fine filtration is needed to protect internal seats. The absence of an internal check valve means reverse flow must be controlled externally. A locating hole is included to keep the block accurately positioned on the subplate during installation.
Technical Specifications
Adjustment Type
Sleeve With Hexagon
Check Valve
None
Cleanliness Class
ISO 4406 (c) 20/18/15
Leakage Oil Drain
External To T(Y)
Locating Hole
With Locating Hole
Max Counter Pressure T(y)
160 bar
Max Flow
50 l/min
Max Operating Pressure
350 bar
Nominal Size
6
Pilot Oil Return
External
Pilot Oil Supply
Internal
Porting Pattern
ISO 4401-03-02-0-05
Pressure Gauge Port
G1/4
Pressure Reduction Port
P
Seal Material
FKM
Secondary Pressure Rating
75 bar
1620 Old Apex Road
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