Bosch Rexroth | ZDR10DA2-5X210Y
ZDR10DA2-5X/210Y
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The ZDR10DA2-5X/210Y valve is produced by Bosch Rexroth within the ZDR Pressure Reducing Valves series and serves hydraulic automation systems that need a controlled downstream pressure. It is a direct-operated pressure reducing unit with a nominal size of 10, permitting installation in medium-capacity manifolds. The design accepts inlet pressures up to 315 bar while limiting the secondary side to 210 bar for circuit protection. Flow capability reaches 80 l/min, supporting actuators that demand rapid volume exchange. Regulation occurs through port A2, and an internal pilot oil supply eliminates extra pilot lines. The assembly weighs 2.56 kg, so manifold loading remains moderate.
Interface dimensions comply with ISO 4401-05-04-0-05, the NFPA T3.5.1 R2-2002 D05 pattern, and the CETOP D05 size, allowing direct mounting on standard subplates. The valve tolerates up to 160 bar backpressure at port T, so restricted return lines do not impair performance. Pressure adjustment is made with a sleeve that has a hexagon and cap, providing secure wrench access and a protective cover once set. Leakage oil drains externally through the TA port to keep the pilot chamber clean. Acceptable hydraulic fluids are HL, HLP, or HLPD grades according to DIN 51524, and the required cleanliness level is 20/18/15 per ISO 4406.
Technical Specifications
Adjustment Type
Sleeve With Hexagon And Cap
Backpressure At T (max)
160 bar
Cetop Size
D05
Cleanliness Class (iso 4406)
20/18/15
Hydraulic Fluid
HL, HLP, HLPD (DIN 51524)
Inlet Pressure (max)
315 bar
Leakage Oil Drain
External (TA)
Maximum Flow
80 l/min
Mounting Interface
ISO 4401-05-04-0-05
Nfpa Mounting
NFPA T3.5.1 R2-2002 D05
Nominal Size
10
Pilot Oil Supply
Internal
Pressure Reduction Port
A2
Secondary Pressure (max)
210 bar
Valve Type
Direct-Operated Pressure Reducing
Weight
2.56 kg
1620 Old Apex Road
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