Sun Hydraulics Catalog - BIBUS SK, sro

Solenoid Operated Cartridge Valves4-WAY, 2-POSITION, DIRECTIONAL SPOOL VALVEd2 4b4Port3Port2Port1PortLocatingShoulderPerformance Curvesca31DNDA-***NominalCapacityTypicalCartridgeModel CodeCartridge DimensionsCavity a b c*** dX,M,SD,L,TInstallationTorque(Nm)40 L/min. DNDA – *** T - 31A 84,8 22,2 89,4 114,3 37,3 45 - 50***An additional 50,8 mm clearance is needed for coil installation and removal.Note: Performance limitsare derived with 4-wayoperation and symmetricalflow. For valve applicationswhere either asymmetricalflow or 3-way operation arepresent, these performancelimits may be reduced.DNDA-X** DNDA-SC* DNDA-SN* DNDA-***P = bar400300200100Valve Performance Limits at 10% Undervoltage and Stabilized Coil TemperatureR, E, U, L(Spool Options)NTD, H, YCP = bar4003002001001 to 42 to 34 to 1Looped3 to 2 to4 to 10 5 10 15 20 25 30 35 40 45 0 5 10 15 20 25 30 35 40 450 5 10 15 20 25 30 35 40 450 10 20 30 40Flow = L/min.Flow = L/min.Flow = L/min.Flow = L/min.■Maximum operating pressure = 350 bar.■Maximum valve leakage at 24 cSt = 160 cc/min. at 210 bar.■Manual override force requirement = 10 kg at 350 bar.■Manual override stroke = 2,5 mm.■Response time - typical = 50 ms.■Maximum switching frequency = 15000 cycles/hr.■Viscosity range = 10 - 600 cSt.■This valve is direct actuated and requires no minimum hydraulic pressure for operation.■The solenoid tube assembly is fatigue rated for 350 bar service.■The soft shift feature results in significantly longer response time over Sun’s standard solenoid. Response time is dependanton flow, pressure, coil voltage, oil viscosity and ambient temperature. Typical response time ranges from 150 ms to 300 ms.■A wide variety of coil termination and voltage options are available. See Sun website: Products: Accessories: Coils.3 to 2P = bar4003002001002 to 14 to 31 to 23 to 4P = bar2015105Pressure Differentialvs. Flow2-1 Shifted,3-4 Not Shifted4-1 Shifted3-2 and 3-4Shifted2-1 NotShiftedOPTION ORDERING INFORMATIONDNDA – X ✱✱– ✱✱✱NominalControl* Spool Configuration** Spool Configuration** Coil Options**Capacity2 42 4D 40 L/min. X No Manual C Closed, Shift N Through,See page 187:Override to Through Shift to CrossCoil option information3 13 12 42 4for Metal Housing (Round)M Manual D Closed, Shift R Regen, ShiftSolenoid Cartridges.Override to Cross to CrossS Soft Shift E Cross, Shift T Tandem, Shiftto Closedto ThroughD Twist/Lock3 12 4Dual, Manual H Open, Shift U Through, ShiftOverride to Cross to Through323141L Twist/Lock, L Cross, Shift 2 4Y Motor, ShiftDetent, P to A, B and to Cross Seal MaterialManualT Blocked3 13 1OverrideN Buna-N323232141414T Twist/Lock,Momentary,Manual OverrideV Viton* See page 178for information** Consult the Sun website for complete information on Spool Configurations,on Control Optionsthe full line of Coil Options and Embedded Amplifier Coils/Controllers.Visit www.sunhydraulics.com for current list pricing and complete technical information on all Sun products.Int’l Shortcut Catalogue #999-901-312 138