Eaton SystemStak DGM 3 40 Series Manual

EATON DGM**-3 40/41 Design E-VLST-BB001-E April 2015M-4MModel CodesSystemStak™ Relief ValvesGeneral DescriptionThese two-stage adjustable pressure relief valves limit themaximum pressure in the line(s) controlled by the integralrelief valve elements.Pressure adjustment options of control knob (with or withoutkeylock) or screw/locknut design are available. The two-stageoperation is basically identical tolong-established balanced piston valves, described in detail inEaton Industrial hydraulics manual.Typical SectionDGMC-3-41DGMC2-3-41Type2 – Dual relief functionOmit for single relieffunctionFirst functionSingle relief, or first line ofdual modelsPressure adjustmentrange, first functionA – 3-50 bar (45-725 psi)B – 3-100 bar (45-1450 psi)C – 10-200 bar (145-2900 psi)G – 50-315 bar (725-4500psi)Pressure adjustment/locking method, firstfunctionH – HandknobK – Micrometer with keylockW – Screw and locknutSecond functionSecond line of dual modelsPressure adjustmentrange, second functionOptions as inPressure adjustment/locking method,secondfunctionOptions as inGauge port: optionon AT and PT singlemodels onlyB – G1⁄4”1⁄4 BSPFS – SAE 4 (7⁄16“-20 UNF-2B)Blank – No gaugeDesign number,41 seriesSubject to change.Installation dimensionsunchanged for designnumbers 40 to 49 inclusive.51234678934DGMC(2) -3- ** - * * (-B* - * * )- * - 411 2 3 4 5 6 7 8 9Pressure Discharge UsageCode limited in intoBA B A DualwithABBT B T DualwithATOmit for single line modelsPressure Discharge UsageCode limited in intoPT P T SingleonlyAB A B Single, ordual withBABA B A SingleonlyAT A T Single, ordual withBTBT B T Singleonly