Sun Hydraulics Catalog - BIBUS SK, sro

Flow Control ValvesFULLY ADJUSTABLE NEEDLEFull Adjustment 5 Turns- +2bc12ControlledFlow1Controlled FlowPerformance CurvesaLocatingShoulderMaximumNominalOrificeTypicalCartridgeModel CodeNFBC NFCC NFDC NFEC NFFCAdjustment Sensitivity at 7 bar DifferentialCartridge DimensionscCavity a bL H KInstallationTorque(Nm)4,0 mm dia. NFBC – LCN T - 162A 31,0 19,1 40,4 - 43,9 35 - 404,8 mm dia. NFCC – LCN T - 13A 35,0 22,2 57,7 63,2 63,5 45 - 506,4 mm dia. NFDC – LAN T-5A 41,4 28,6 59,7 71,6 69,3 60 - 709,7 mm dia. NFEC – LEN T - 16A 62,0 31,8 67,6 77,7 74,7 200 - 21514,2 mm dia. NFFC – LGN T - 18A 79,5 41,3 84,1 88,9 88,1 465 - 500204080160320Q = L/min.15105LCNQ = L/min.302010LCNLDNQ = L/min.604020LANLBNQ = L/min.1208040LENLFNQ = L/min.24016080LGNLHN01 2 3 4 5Number of Turns01 2 3 4 5Number of Turns01 2 3 4 5Number of Turns01 2 3 4 5Number of Turns01 2 3 4 5Number of Turns■■■■Maximum operating pressure = 350 bar.Because needle valves are non-compensating devices, the fixed orifice size will regulate flow throughthe valve in proportion to the square root of the pressure differential across ports 1 and 2.The sharp edged orifice design minimizes flow variations due to viscosity changes.There is no leakage when the adjustment mechanism is turned to the shut-off position.OPTION ORDERING INFORMATIONNF ✱ C – ✱ ✱ ✱MaximumNominal Control** Maximum Orifice Diameter Seal MaterialOrificeB 4,0 mm dia. L Standard Screw NFBC N Buna-NAdjustmentC 4 mmC 4,8 mm dia. V VitonH* Calibrated NFCCD 6,3 mm dia. Handknob with C 4,8 mmDetent LockD 2,3 mmE 9,6 mm dia.K HandknobNFDCF 14,2 mm dia. with Lock Knob A 6,4 mmB 3,0 mm* Not Availableon NFBCNFECE 9,7 mmF 7,1 mmNFFCG 14,2 mmH 9,6 mmConsult the Sun website for** See page 178 our most recent and completefor informationinformation on the full Corrosionon Control OptionsResistant line of products.Visit www.sunhydraulics.com for current list pricing and complete technical information on all Sun products.80 Int’l Shortcut Catalogue #999-901-312