Bosch Rexroth | Z2DB6VC2-4X200V
Z2DB6VC2-4X/200V
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The Z2DB6VC2-4X/200V valve belongs to the ZDB Pressure Relief Valves series and is produced by Bosch Rexroth for hydraulic automation where circuit pressure must be limited safely. It is a pilot-operated pressure relief design that protects both service lines, and its size 6 format suits compact manifolds. A sandwich plate connection makes it easy to stack between subplates, while the ISO 4401-03-02-0-05 porting pattern keeps it interchangeable with standard CETOP 03 layouts. The direction of action is A-to-T and B-to-T, so excess pressure from either work port is diverted to tank. Two pressure valve cartridges are fitted, providing separate relief paths for each line. Pilot oil is drained externally through port T to prevent tank back-pressure from influencing the set value, and the unit can be mounted in any position to simplify installation.
The valve handles system pressures up to 315 bar, and its adjustment sleeve with a hexagon head (type 2) lets maintenance staff set the relief level without dismantling the stack. The maximum set pressure reaches 200 bar, giving a wide tuning range below the housing limit. Flow capacity is 60 l/min, and counter pressure at port T must remain below 40 bar to maintain stable operation. FKM seals withstand high temperatures and many mineral-oil based fluids, while the required fluid cleanliness is 20/18/15 per ISO 4406 to reduce wear on internal surfaces.
Technical Specifications
Adjustment Type
Sleeve With Hexagon (Type 2)
Cleanliness Class
20/18/15 (ISO 4406)
Direction Of Action
A–T And B–T
Installation Position
Any
Maximum Counter Pressure
40 bar
Maximum Flow
60 l/min
Maximum Operating Pressure
315 bar
Maximum Set Pressure
200 bar
Pilot Oil Drain
External (Via T)
Porting Pattern
ISO 4401-03-02-0-05
Pressure Valve Cartridges
2
Seal Material
FKM
Size
6
Type Of Connection
Sandwich Plate Valve
Valve Type
Pilot-Operated Pressure Relief
1620 Old Apex Road
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