Sun Hydraulics Catalog - BIBUS SK, sro

Directional Valves2-WAY, DIRECT ACTING, SEALED PILOT, PILOT-TO-SHIFTFull Adjustment 5 Turns+ -224141b4Drain3Port2PortcaLocatingShoulder3DRAYCapacityTypicalCartridgeModel Code3DRAXCartridge DimensionsCavity a b cInstallationTorque(Nm)2 L/min. DRAY – LAN T-21A 35,1 22,2 78,5 45 - 502 L/min. DRAX – LAN T - 21A 35,1 22,2 78,5 45 - 501PilotPerformance CurvesDRAY, DRAXTypical Pressure Drop vs. FlowPort 2 to Port 3P = bar50403020100 2 4 6 8Flow = L/min.■Maximum operating pressure = 350 bar.■Reseat = > 85% of set pressure.■The pilot area (port 1) and the spring chamber drain (port 4) are positively sealed.■The valve is designed not to modulate and is the equivalent of a hydraulic pressure switch.■There is spool leakage at 0,6 cc/min. at 70 bar between work ports 2 and 3.OPTION ORDERING INFORMATIONDR A ✱ – L ✱✱NominalCapacityVersion Control Adjustment Range* Seal MaterialA 2 L/min. Y 2-Way, L Standard Screw A 70 - 210 bar N Buna-NPilot-to-shift Adjustment Standard set at 70 barwith Drain to Port 4, V VitonNormally OpenC 140 - 420 barStandard set at 140 barX 2-Way,Pilot-to-shiftwith Drain to Port 4,Normally ClosedVisit www.sunhydraulics.com for current list pricing and complete technical information on all Sun products.122 Int’l Shortcut Catalogue #999-901-312