Bosch Rexroth | Z2DB10VD2-4X100
Z2DB10VD2-4X/100
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The Z2DB10VD2-4X/100 pressure relief valve is produced by Bosch Rexroth and belongs to the ZDB Pressure Relief Valves series. It maintains stable line pressure in hydraulic automation circuits where bidirectional relief is required. The sandwich plate connection lets the unit be installed between standard subplates without additional piping, while the nominal size 10 flow paths match medium-frame manifolds. A porting pattern of ISO 4401-05-04-0-05, together with NFPA T3.5.1 R2-2002 D05 mounting, ensures interchangeability in global and North American systems. Four ports route pressure and return lines independently, and four switching positions give discrete functional settings when combined with pilot controls. The relief path acts from A to B and from B to A so overpressure is limited in both directions. The valve is built for a maximum operating pressure of 315 bar, but its internal spring is preset to a pressure stage of 100 bar to protect downstream components.
The component series 4X denotes the current internal design, and a CETOP size D05 interface keeps dimensions consistent with other stack valves in the same footprint. A maximum flow of 100 l/min allows the unit to accommodate moderate pump outputs without excessive pressure loss. Pressure can be tuned through a sleeve with a hexagon head and a protective cap, giving technicians a protected adjustment point that resists accidental movement. NBR sealing material maintains compatibility with common mineral-oil fluids and limits external leakage. The unpacked weight of 2.880 kg permits manual handling during assembly while still providing sufficient stiffness for bolted joints.
Technical Specifications
Adjustment Type
Sleeve With Hexagon And Protective Cap
Cetop Size
D05
Component Series
4X
Connection Type
Sandwich Plate
Max Flow
100 l/min
Max Operating Pressure
315 bar
Nfpa Porting
NFPA T3.5.1 R2-2002 D05
Nominal Size
10
Number Of Ports
4
Porting Pattern
ISO 4401-05-04-0-05
Pressure Stage
100 bar
Relief Function
A–B And B–A
Seal Material
NBR
Switching Positions
4
Unpacked Weight
2.880 kg
1620 Old Apex Road
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