Eaton SystemStak DGM 3 40 Series Manual

EATON SystemStak™ Valves Size 07 E-VLVI-SS001-E1 October 2015O-3OGeneral DescriptionThese two-stage adjustable pressure reducing modulesare used to regulate the downstream pressure in the linein which the integral reducing valve is installed, whilst theupstream pressure fluctuates above the reduced pressure.The valve elements are formed as cartridges for ease ofconstruction and servicing.Performance DataPerformance CharacteristicsTypical performance with petroleum oil at 36 cSt (169 SUS)and 50°C (122°F).Reduced Pressure UnderrideAt cartridge outlet for various pressure settings.SystemStak™ Pressure Reducing Valve ModulesDGMX-7PX T B A YMPX T B A YMPX T B A YM(F3-) DGMX-7 - P * - * - * -201 2 73 654132674 5Special seals forphosphate ester fluidsOmit for standard seals; see “Hy-draulic fluids” in “FurtherInformation” section.Stak Module ReducerSizeISO 4401-7Function PortsPP – pressure reducingfunction in the P line, pilotedfrom PPA – pressure reducing functionin the P line, piloted from APB – pressure reducing functionin the P line, piloted from BPressure adjustmentrangeB – 10 to 100 bar (145 to 1454 psi)C – 10 to 160 bar (145 to 2326 psi)F – 10 to 250 bar (145 to3635 psi)G – 350 bar (5000 psi)Adjustment methodW – screw and lock nutH – hand wheel with locknutDesign number,Subject to change. Installation di-mensions unchanged for numbers20-29 inclusive.Basic CharacteristicsMaximum flow 250 l/min (66 USgpm)Maximum operating pressure 350 bar (5076 psi)Operating temperature -25 to +80°C (-13 to +176°F)Pilot drain flow 0,5 L/min (0.13 USgpm)Weights 8,65 kg (19.06 lb)Model CodeFunctional SymbolOperating Data