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The ZDC10XP-1X/8XM-289 unit belongs to the ZDC Pressure Compensators series and is manufactured by Bosch Rexroth. It stabilizes flow in hydraulic automation by holding a fixed pressure drop across downstream valves. The nominal size of 10 defines the internal flow paths, while a pressure differential setpoint of 10 bar governs metering accuracy. Maximum flow capability is 85 l/min so the block can serve medium-capacity circuits. A sandwich plate design connection permits stacking in manifold assemblies, and the porting pattern corresponds to ISO 4401-05-05-0-05 for interchangeability. External pilot oil at port X isolates the control section from main line pressure spikes, and the device can be installed in any position to match space constraints.
Operating limits reach 350 bar at ports a, b, and p, 250 bar at port t, and 150 bar at port y, establishing safe boundaries for system planning. Hydraulic fluid cleanliness must meet ISO 4406 code 20/18/15 to prevent wear, and mating faces are finished to a maximum surface roughness of Rz 4 µm to ensure reliable sealing. Four mounting holes of 11 mm and two holes of 6.6 mm accept four M6 ISO 4762 grade 10.9 screws, giving secure attachment within the stack. The assembly weighs 3.0 kg, allowing manual handling during installation.
Cleanliness Class
ISO 4406 (20/18/15)
Contact Surface Roughness
Rzmax 4
Installation Position
Any
Max Flow
85 l/min
Max Operating Pressure (a,b,p)
350 bar
Max Operating Pressure (t)
250 bar
Max Operating Pressure (y)
150 bar
Mounting Hole Diameters
Ø11 mm (4x), Ø6.6 mm (2x)
Mounting Screws
4x M6 ISO 4762 (10.9)
Nominal Size (ng)
10
Pilot Oil Supply
External (X)
Porting Pattern
ISO 4401-05-05-0-05
Pressure Differential Setpoint
10 bar
Type Of Connection
Sandwich Plate Design
Weight
3.0 kg
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