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The DGMX25PPFHES30 valve belongs to the SystemStak Modular Valves series and is manufactured by Vickers for pressure regulation tasks in hydraulic automation stacks. It is pressure-operated, so line pressure shifts the internal elements without external energy. A knob adjuster lets the technician set the required cracking pressure while the pilot control draws directly from the pressure port, ensuring that adjustments reflect true system pressure. The valve acts on the P pressure port, giving direct control of the main supply line, and it withstands a maximum operating pressure of 315 bar to suit high-duty circuits. Flow capacity reaches 120 L/min, allowing use on medium-sized power units. There is an external drain, which routes pilot fluid back to tank and prevents pressure interaction inside the stack. The ISO 4401-05 (NFPA D05) mounting interface permits sandwich assembly with other SystemStak components, and the absence of a remote control port confines all pressure settings to the local knob.
The valve requires oil cleanliness of 19/17/14 per ISO 4406, so filtration must limit particulate levels to protect internal surfaces. It is intended for petroleum oils, ensuring seal compatibility and consistent viscosity. A dedicated SAE 4 (7/16-20 UNF-2B) gauge port allows pressure monitoring without extra fittings. Dimensional data assist manifold layout: length is 256.794 mm, width is 71.628 mm, and height is 59.944 mm, letting designers allocate precise stack space. The mass of 3.5 kg supports single-person handling yet adds stability to the stack when clamped. These physical and fluid specifications help integrators match the valve to flow, pressure, cleanliness, and space requirements within hydraulic machinery.
Actuation Type
Pressure Operated
Adjustment Type
Knob Adjuster
External Drain
Yes
Fluid Cleanliness (iso 4406)
19/17/14
Fluid Compatibility
Petroleum Oils
Gauge Port Thread
SAE 4 (7/16-20 UNF-2B)
Height
59.944 mm (2.360 in)
Length
256.794 mm (10.110 in)
Mass
3.5 kg (7.7 lb)
Maximum Flow
120 L/min (32 USgpm)
Maximum Operating Pressure
315 bar (4500 psi)
Mounting Interface
ISO 4401-05 (NFPA D05)
Pilot Control
Pressure Port
Port Operated Upon
P Pressure Port
Remote Control Port
No
Width
71.628 mm (2.820 in)
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