Bosch Rexroth | ZDR10DA1-5X150Y12
ZDR10DA1-5X/150Y/12
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The ZDR10DA1-5X/150Y/12 pressure reducing valve is manufactured by Bosch Rexroth for the ZDR Pressure Reducing Valves series. It maintains a controlled downstream pressure in hydraulic automation circuits while directing surplus fluid to tank. The valve performs a 3-way pressure reducing function and uses a NG10 sandwich plate body that fits between manifold sections. A rotary knob provides on-site adjustment of the reduced pressure setpoint. The component follows the CETOP D05 interface and the ISO 4401-05-04-0-05 porting pattern, so it matches standard subplates. Its NFPA designation T3.5.1 R2-2002 D05 identifies the same footprint for installations in North America. The internal spool shifts from A2 → A1, routing flow toward the reduction port labeled A. Pilot oil is supplied internally with an external drain, and an integrated check valve allows free reverse flow.
The valve accommodates a maximum flow of 80 l/min, making it suitable for medium-capacity cylinders and motors. It withstands an inlet pressure of 315 bar, while the secondary pressure can be set up to 150 bar for accurate control below system pressure. NBR seals are used to ensure compatibility with standard mineral oils and to limit leakage over long service periods. The complete assembly weighs 2.620 kg, allowing technicians to handle and position it without specialized lifting tools. The flow capability helps prevent pressure spikes during rapid actuator movements, and the generous pressure margins give designers flexibility to integrate the valve into power units of varying ratings. Together these flow, pressure, sealing, and weight characteristics deliver consistent pressure reduction in presses, clamping devices, and other automated hydraulic equipment.
Technical Specifications
Adjustment Type
Rotary Knob
Cetop Size
D05
Check Valve
With Check Valve
Max Flow
80 l/min
Max Operating Pressure
315 bar
Mounting
Sandwich Plate
Nfpa Interface
T3.5.1 R2-2002 D05
Pilot Oil
Internal Supply, External Drain
Porting Pattern
ISO 4401-05-04-0-05
Pressure Reduction Port
A
Seals
NBR
Secondary Pressure Rating
150 bar
Size
NG10
Spool Symbol
A2 → A1
Valve Function
3-Way Pressure Reducing
Weight
2.620 kg
1620 Old Apex Road
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