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The DZ6DP2-5X/315YM/12 sequence valve is produced by Bosch Rexroth for integration into hydraulic automation circuits. It belongs to the DZ Pressure Sequence Valves series and directs flow only after the system reaches a specified pressure threshold. The valve is direct-operated and carries a nominal size of 6, giving short response times in compact blocks. Installation follows the ISO 4401-03-02-0-05 interface and a subplate mounting style, enabling quick interchange with other modular elements. Pilot oil is taken internally while pilot oil is returned externally, simplifying plumbing yet preventing backflow into control galleries. The assembly withstands a maximum operating pressure of 315 bar, and its sequencing pressure can be set anywhere up to the same 315 bar limit to coordinate multiple actuator stages.
Pressure setting is made with a grub screw that has a hexagon recess and a protective cap, permitting field adjustment without tool slippage or contamination. The flow path accommodates up to 60 l/min, which supports medium-duty cylinders and motor groups without excessive pressure drop. Port T is allowed to see no more than 160 bar, protecting return passages from overload. NBR sealing elements contain hydraulic oil and maintain integrity across rated temperatures while supporting the ISO 4406 20/18/15 cleanliness requirement for spool movement. Because the valve is not equipped with a check valve, designers must add external non-return units when reverse flow blocking is required.
Adjustment Type
Grub screw with hexagon and protective cap
Check Valve
Not Equipped
Cleanliness Class
ISO 4406 20/18/15
Maximum Flow
60 l/min
Maximum Operating Pressure
315 bar
Mounting Interface
ISO 4401-03-02-0-05
Mounting Type
Subplate
Nominal Size
6
Pilot Oil Return
External
Pilot Oil Supply
Internal
Port T Max Pressure
160 bar
Seal Material
NBR
Sequencing Pressure Rating
315 bar
Valve Type
Direct-Operated Sequence
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