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The DGMX13PPBWB40EN12 valve is part of the SystemStak Modular Valves series from Vickers, and it controls pressure in stacked hydraulic automation manifolds. This model is a reducing-relieving underlapped unit that operates by pressure so no external pilot line is required. It bolts to subplate or manifold mounts that match the ISO4401-03 interface, letting it slot between other SystemStak elements. Flow is routed through a reducing line P and a pilot line P, giving downstream circuits a stable supply. Pressure settings are adjusted at the B port end of the valve with a screw and locknut, and the factory ships each unit set to 20 bar.
The valve handles petroleum oils and requires a fluid cleanliness level of 19/17/14 to avoid spool wear. A G1/8 (1/8 BSPF) gauge port thread allows direct pressure checks during setup. It passes up to 60 L/min (16 US gpm) and tolerates system pressures as high as 315 bar (4500 psi). Reliable service is maintained from -20 °C to 80 °C, and Viton seals prevent leakage across that temperature span. These limits support stable performance when the valve is installed in compact SystemStak assemblies on mobile or industrial machinery.
Actuation Type
Pressure Operated
Adjustment Location
B Port End Of Valve
Adjustment Type
Screw And Locknut
Factory Preset Pressure
20 bar
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)
Interface
ISO4401-03
Maximum Flow
60 L/min (16 US gpm)
Maximum Operating Pressure
315 bar (4500 psi)
Maximum Working Temperature
80 C
Minimum Working Temperature
-20 C
Seal Type
Viton
Valve Mount Type
Subplate/Manifold Mounted
Valve Type
Reducing-Relieving Underlapped
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