Vickers | DGMX1-3-PP-FW-20S
DGMX1-3-PP-FW-20S
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The DGMX1-3-PP-FW-20S is a pressure reducing valve manufactured by Vickers as part of the Pressure Reducing Valves series. Intended for hydraulic automation, it limits downstream pressure by reacting directly to system pressure; the valve is pressure operated and requires no external actuation. It is classified as a reducing-relieving underlapped unit, allowing it to both lower inlet pressure and bleed excess fluid for stability. Reducing service is routed through line P while a separate pilot line P senses the controlled pressure for fast correction. Pressure adjustment is made with a screw and locknut positioned at the B port end, keeping the set point secure once tightened. The design accommodates inlet pressures up to 315 bar (4,500 psi) and handles flow rates to 60 L/min (16.0 US gpm), matching medium-capacity systems. All internal components are compatible with petroleum oils commonly used in industrial hydraulics.
Installation follows the ISO 4401-03 interface, and the subplate or manifold mounting style lets the body drop into compact valve stacks without extra piping. A SAE 4 (7/16-20 UNF-2B) gauge port permits direct pressure monitoring during commissioning or maintenance. The body length is 168.9 mm (6.650 in), width is 71.628 mm (2.820 in), and height is 59.944 mm (2.360 in), so the valve occupies minimal cabinet space. Reliable function is maintained from −20 °C (−4 °F) to 80 °C (176 °F), covering typical mobile and stationary environments without supplemental heating or cooling. These mounting, dimensional, and temperature characteristics allow the valve to integrate easily into automated hydraulic assemblies where consistent pressure control and straightforward service access are required.
Technical Specifications
Actuation Type
Pressure Operated
Adjuster Location
B Port End
Adjustment Type
Screw And Locknut
Fluid Compatibility
Petroleum Oils
Function Ports
Reducing Line P, Pilot Line P
Gauge Port Thread
SAE 4 (7/16-20 UNF-2B)
Maximum Flow
60 L/min (16.0 US gpm)
Maximum Operating Pressure
315 bar (4500 psi)
Maximum Operating Temperature
80 C (176 F)
Minimum Operating Temperature
-20 C (-4 F)
Mounting Interface
ISO 4401-03
Product Height
59.944 mm (2.360 in)
Product Length
168.9 mm (6.650 in)
Product Width
71.628 mm (2.820 in)
Valve Mount Type
Subplate/Manifold Mounted
Valve Type
Reducing-Relieving Underlapped
1620 Old Apex Road
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