Bosch Rexroth | ZDR6DB2-4X160YMV60
ZDR6DB2-4X/160YMV/60
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The ZDR6DB2-4X/160YMV/60 pressure reducing valve belongs to the ZDR Pressure Reducing Valves series manufactured by Bosch Rexroth. It is applied in hydraulic automation circuits to maintain a controlled pressure level downstream of the inlet. The valve is direct operated, so the spool reacts directly to pressure changes without pilot amplification. Installation uses a sandwich plate interface that matches the ISO 4401-03-02-0-05 porting pattern for standardized stacking. Flow passages are dimensioned for nominal size 6 components, and pressure is set through a sleeve with a hexagon head protected by a cap. This model is supplied without an integral check valve, designated by code M, and it includes a locating hole identified by the suffix /60 to aid accurate positioning in the manifold stack. The assembled unit weighs 1.2 kg.
Pilot oil is taken from port B, and the return flow is external through channel T(Y), isolating the control chamber from tank pressure. Reduced pressure is delivered at port P for branches that need a stable supply apart from the main line. The inlet can withstand up to 350 bar, while counter pressure in line t(y) may reach 160 bar. The valve accommodates flows to 50 l/min, supporting moderate circuit demands. Acceptable fluid viscosity spans 10 mm²/s to 800 mm²/s, so operation remains consistent across a wide temperature range. FKM seals are used to resist common hydraulic media and heat within rated limits.
Technical Specifications
Actuation Type
Direct Operated
Adjustment Type
Sleeve With Hexagon And Protective Cap
Check Valve
Without (M)
Locating Hole
With (/60)
Max Counter Pressure (t(y))
160 bar
Max Flow
50 l/min
Max Operating Pressure (input)
350 bar
Max Viscosity
800 mm²/s
Min Viscosity
10 mm²/s
Mounting Type
Sandwich Plate
Nominal Size
6
Pilot Oil Return
External (T(Y))
Pilot Oil Source
Port B
Porting Pattern
ISO 4401-03-02-0-05
Pressure Reduction Port
P
Seal Material
FKM
Weight
1.2 kg
1620 Old Apex Road
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