Bosch Rexroth | ZDR10DA1-5X210YV12
ZDR10DA1-5X/210YV/12
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The ZDR10DA1-5X/210YV/12 valve belongs to the ZDR Pressure Reducing Valves series produced by Bosch Rexroth and maintains a stable downstream pressure in hydraulic automation circuits. The unit uses a sandwich plate connection so it can be stacked between subplates and directional valves, following the ISO 4401-05-04-0-05 mounting pattern for NG10 interfaces. A rotary knob, designated as type 1, lets the technician set the secondary pressure, which is limited to 210 bar on port A according to the A2→A1 spool configuration. Pilot oil is taken internally while the drain exits externally through port Y to prevent back pressure from affecting regulation. The built-in check valve allows free reverse flow to bypass the reduced pressure zone when needed.
The valve handles inlet pressures up to 315 bar and admits flow rates as high as 80 l/min while sustaining counter pressure on the drain line up to 160 bar. A G1/4 port is provided for mounting a pressure gauge during setup or diagnostics. Approved operating media include mineral oil types HL, HLP, and HLPD, the viscosity-improved HVLP and HVLPD grades, and water-glycol HFC; FKM sealing elements maintain compatibility with these fluids. The assembly weighs 2.64 kg, contributing minimal load to the manifold stack yet offering stable pressure control under continuous duty.
Technical Specifications
Adjuster Type
Rotary Knob (Type 1)
Check Valve
With Check Valve
Connection Type
Sandwich Plate
Hydraulic Fluids
HL, HLP, HLPD, HVLP, HVLPD, HFC
Max Counter Pressure (t)
160 bar
Max Flow
80 l/min
Max Inlet Pressure
315 bar
Mounting Pattern
ISO 4401-05-04-0-05
Nominal Size
NG10
Pilot Oil
Internal Supply, External Drain (Y)
Pressure Gauge Port
G1/4
Pressure Reduction Port
A
Seal Material
FKM (V)
Secondary Pressure Setting
210 bar
Spool Symbol
A2→A1
Weight
2.64 kg
1620 Old Apex Road
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