Bosch Rexroth | ZDR10DA2-5X210YV12
ZDR10DA2-5X/210YV/12
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The ZDR10DA2-5X/210YV/12 pressure reducing valve belongs to the ZDR Pressure Reducing Valves series and is manufactured by Bosch Rexroth for hydraulic automation circuits where a stable secondary pressure is required. Its nominal size of 10 sets the flow gallery dimensions, and the porting pattern ISO 4401-05-04-0-05 allows direct mounting on matching subplates. Pressure reduction takes place in channel A so the user can isolate a single actuator branch. The secondary pressure rating is 210 bar while the inlet can withstand up to 315 bar, enabling a clear differential between supply and control lines. A maximum flow of 80 l/min supports medium-capacity systems, and an integrated check valve provides free reverse flow. Pilot supply and return passages are arranged for internal or external connection to suit different circuit layouts.
Adjustment is performed through a sleeve with a hexagon head and a protective cap, giving straightforward access while preventing unintended changes. A G 1/4 pressure gauge port with 12 mm thread depth and SW6 hex permits quick installation of measuring devices for system verification. The design tolerates counter pressure up to 160 bar at port T, maintaining reliability when back-pressure exists in the tank line. Fluid cleanliness must meet ISO 4406 class 20/18/15 to protect internal surfaces, and FKM seals resist common hydraulic oils and elevated temperatures. Four ISO 4762 M6-10.9 screws secure the valve to the manifold, ensuring proper clamping force. Together these characteristics let the component deliver consistent downstream pressure and long service life in automated machinery.
Technical Specifications
Adjustment Type
Sleeve With Hexagon + Protective Cap
Check Valve
Included
Cleanliness Class
ISO 4406 20/18/15
Gauge Port Depth
12 mm
Gauge Port Hex Size
SW6
Max Counter Pressure (port T)
160 bar
Max Flow
80 l/min
Max Operating Pressure (inlet)
315 bar
Mounting Screws
4x ISO 4762 M6-10.9
Nominal Size
10
Pilot Supply/return
Internal/External
Porting Pattern
ISO 4401-05-04-0-05
Pressure Gauge Port
G 1/4
Pressure Reduction Channel
A
Seal Material
FKM
Secondary Pressure Rating
210 bar
1620 Old Apex Road
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