Bosch Rexroth | ZDBT-XP7-1X315-081VV06P100N503E-AO-HIGH
ZDBT-XP7-1X/315 081VV06P100N503E-AO-HIGH
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The ZDBT-XP7-1X/315 081VV06P100N503E-AO-HIGH valve is supplied by Bosch Rexroth within the ZDB Pressure Relief Valves series. It functions as a pilot-operated pressure relief element to protect hydraulic circuits from overpressure. The unit conforms to valve size 6, so it integrates with compact manifolds in machines requiring moderate flow. A maximum operating pressure rating of 315 bar defines the upper limit that the spring-loaded pilot stage may pass to the main spool before diverting flow to tank. The maximum flow capacity of 60 l/min allows the valve to accommodate medium throughput without excessive pressure drop. Cleanliness class 20/18/15 per ISO 4406 should be maintained to prevent contamination that could impair the pilot passages.
The sandwich plate connection pattern ISO 4401-03-02-0-05 enables stack mounting between subplate and directional valve, while a dedicated external T port directs pilot oil drain to tank to keep back pressure low. Counter pressure on the return line may reach up to 40 bar without upsetting set pressure stability. Installation is permitted in any orientation, which simplifies layout inside densely packed hydraulic power units. Assembly uses two M5 screws through 5.4 mm mounting holes, and a lock nut with 24 mm flats secures the adjustment stem once the setting is finalized with a 10 mm hex wrench. These features support rapid service and consistent pressure control in automated hydraulic equipment.
Technical Specifications
Cleanliness Class (iso 4406)
20/18/15
Connection Type
Sandwich Plate Valve
Hex Wrench Size
10 mm
Installation Position
Any
Lock Nut Width Across Flats
24 mm
Maximum Counter Pressure
40 bar
Maximum Flow
60 l/min
Maximum Operating Pressure
315 bar
Mounting Hole Diameter
5.4 mm
Mounting Screw Thread
M5
Pilot Oil Drain
External (T port)
Porting Pattern
ISO 4401-03-02-0-05
Valve Size
6
Valve Type
Pilot-Operated Pressure Relief
1620 Old Apex Road
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