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Vickers | DGMX23PPFWB40

DGMX23PPFWB40

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The DGMX23PPFWB40 valve is part of the SystemStak Modular Valves series produced by Vickers for compact hydraulic automation stacks. It performs reducing-relieving overlapped control to maintain downstream pressure in line P while providing relief capability when limits are exceeded. Actuation is pressure operated, so no external pilot is required for basic operation. The unit mounts on a subplate or manifold using the ISO 4401-03 interface, allowing direct stacking with other SystemStak elements. Function ports are arranged for reducing line P and pilot line P, and a G1/8 (1/8 BSPF) gauge port is available for pressure monitoring. Pressure adjustment is made at the B-port end by a screw and locknut, giving secure set-point retention. Viton seals provide compatibility with elevated temperatures and common hydraulic fluids.


The valve supports a maximum pressure of 315 bar (4500 psi) and can pass up to 60 L/min (16.0 US gpm) without loss of accuracy, making it suitable for medium-flow circuits. Acceptable working temperature reaches 80 °C, and the construction materials match petroleum oils as the recommended fluid. Cleanliness should be maintained at ISO 19/17/14 or better to avoid spool wear and ensure stable regulating logic. Overall length is 168.910 mm and height is 59.944 mm, dimensions that align with typical sandwich stack heights in mobile or industrial manifolds. These physical limits assist designers in confirming clearance inside confined control blocks while meeting the required flow, pressure, and contamination targets.

Technical Specifications

Actuation Type
Pressure Operated

Adjuster Location
B Port End

Adjuster Type
Screw And Locknut

Fluid Cleanliness
19/17/14

Fluid Compatibility
Petroleum Oils

Function Ports
Reducing Line P, Pilot Line P

Gauge Port Thread
G1/8 (1/8 BSPF)

Height
59.944 mm

Interface
ISO 4401-03

Length
168.910 mm

Maximum Flow
60 L/min (16.0 USgpm)

Maximum Pressure
315 bar (4500 psi)

Mounting Type
Subplate/Manifold Mounted

Seal Type
Viton

Valve Type
Reducing-Relieving Overlapped

Working Temperature Max
80 C

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