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The ZDB10VP2-4X/315 valve is produced by Bosch Rexroth within the ZDB Pressure Relief Valves series to limit pressure in hydraulic automation circuits. It uses a sleeve with hexagon adjustment so a technician can set the pressure with a hex key. The unit supports a maximum operating pressure of 315 bar to protect downstream components from overload. Its relief path directs flow from port P to tank port TA when the set pressure is exceeded. The sandwich plate connection allows it to be stacked between subplates and directional valves without extra piping. A nominal size of 10 establishes passage dimensions that balance compact form with adequate flow. Four ports are provided to interface with standard manifold layouts, and two switching positions define the binary open or closed states of the spool.
The valve accommodates up to 100 liters per minute, aligning its capacity with medium-flow power units. It follows the D05 CETOP size so it can mate with common manifold blocks in industrial machinery. The mounting pattern matches ISO 4401-05-04-0-05, ensuring bolt holes and port positions coincide with standard bases. A parallel reference to NFPA T3.5.1 R2-2002 D05 further confirms compatibility with North American manifolds. The installation position can be any orientation, which simplifies layout in confined cabinets. NBR seals are employed to resist conventional hydraulic oils and maintain leakage integrity. Acceptable fluid cleanliness is limited to ISO 4406 code 20/18/15, so filtration must keep particle counts below that threshold.
Adjustment Type
Sleeve With Hexagon (Type 2)
Cetop Size
D05
Cleanliness Class
ISO 4406 20/18/15
Connection Type
Sandwich Plate
Installation Position
Any
Max Flow
100 l/min
Max Operating Pressure
315 bar
Mounting Pattern
ISO 4401-05-04-0-05
Nfpa Pattern
NFPA T3.5.1 R2-2002 D05
Nominal Size
10
Number Of Ports
4
Relief Function
P → TA
Seal Material
NBR
Switching Positions
2
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