7SP300 DIRECTIONAL CONTROL VALVE - Federal Fluid Power, Inc.

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1LLR SERIES DUAL RELIEF VALVEDIRECT ACTING DIFFERENTIAL AREA1LLR350POPPET TYPEP1P13P2P2THROUGH PRESSURE PORTSAPPLICATIONTo protect directional control valves from shock orsurge pressures induced by changes in direction orsudden stops which create excessive load conditions.OPERATIONThe dual relief is of the cross line type, where exhaustoil from one line is transferred to the other, negatingthe need for a separate tank line. It also preventscavitation when used in conjunction with a closedcentre directional valve. For greatest protection thevalve should be mounted as close to the actuator ormotor as possible.FEATURESSoft start and stop with fast acting operation to givemaximum protection to expensive actuators. Reducesplumbing to a minimum and cartridge construction makesfor easy maintenance.SPECIFICATIONSFigures based on: Oil Temp = 40°C Viscosity = 40 cStRated FlowMax SettingCartridge Material380 litres/min (100 US GPM)350 bar (5000 psi)Working parts hardened and groundsteel. External steel surfaces zinc platedPRESSURE DROPBody MaterialMounting PositionStandard aluminium (up to 210 bar*)Add Suffix ‘377’ for steel optionUnrestrictedPRESSURE-BAR400350300250200150100500 50FLOW-US GPM0 25 50100 150 200FLOW LITRES/MIN75250 300 350Integrated Hydraulics Ltd1004006000500040003000200010000PRESSURE-PSIWeightSeal Kit NumberRecommendedFiltration LevelOperating TempLeakageNominal ViscosityRange5.50 kg (12.0 lbs)SK685 (Nitrile) SK685V (Viton)BS5540/4 Class 18/13(25 micron nominal)-20°C to +90°C1.2 millilitres/min max (20 dpm)5 to 500 cSt*For applications above 210 bar please consult our technical department or use the steel body option.Integrated Hydraulics IncCollins Road, Heathcote Ind. Est., Warwick, CV34 6TF, UK.7047 Spinach Drive, Mentor, Ohio 44060, USATel: +44 (0) 1926 881171 Fax: +44 (0) 1926 315729 Tel: (440) 974 3171 Fax: (440) 974 3170Website: www.integratedhydraulics.comWebsite: www.integratedhydraulics.com3-141.C
COMPLETE VALVEBASIC CODE: 1LLR350Sub-assembly part numbersBSP, aluminium1 1/4” BXP24047-10W-SSAE, aluminium1 1/4” BXP24047-20T-S1 1/4” PORTSBSP, steel1 1/4” BXP24047-10W-S-377SAE, steel1 1/4” BXP24047-20T-S-3773108.4152.42 HOLES ø10.0THRO'76.244.416.0P1P137.0P1127.095.290.0P2P2P212.7 127.0360.4 MAX1LR300-F-*-*1LR300-F-*-*Tightening torque of “F” adjusterlocknut - 20 to 25 NmWhere measurements are critical request certified drawingsORDERING CODE EXAMPLE1LLR350 F 10W 20 SBasic Code1LLR350 = Cartridge and BodyAdjustment MeansF = Screw AdjustmentPort Sizes - Bodied Valves Only10W = 1 1/4” BSP 20T = 1 1/4” SAESealsS= Nitrile (For use with mostindustrial hydraulic oils)SV = Viton (For high temperatureand most special fluidapplications)Pressure Range @ 30 l/min20 = 35-210 bar. Std setting 100 bar35 = 70 -350 bar. Std setting 280 barStd setting made at 30 litres/minWe reserve the right to change specifications without notice3-142.H
Page 1 and 2: 7SP3007SP300 DIRECTIONAL CONTROL VA
Page 3 and 4: 1PUL2001PUL200 PRIORITY UNLOADING V
Page 5 and 6: 1UL255 TWO PUMP UNLOADING VALVE1UL2
Page 7 and 8: CETOP 03 OVERCENTRE STACKING SLICES
Page 9 and 10: CETOP 05 OVERCENTRE STACKING SLICES
Page 12 and 13: 1LR SERIES RELIEF VALVEDIRECT ACTIN
Page 14 and 15: 1VR SERIES VENTABLE RELIEF VALVEPIL
Page 16 and 17: 1CLLR SERIES DUAL RELIEF VALVEDIREC
Page 20 and 21: 1DDRC SERIES DUAL RELIEF VALVEWITH
Page 22 and 23: 1PA SERIES PRESSURE REDUCING VALVEP
Page 24 and 25: 1CE SERIES OVERCENTRE VALVEPILOT AS
Page 26 and 27: 1CER SERIES OVERCENTRE VALVEPART BA
Page 28 and 29: 1CEL SERIES OVERCENTRE VALVEPILOT A
Page 30 and 31: 1CE SERIES OVERCENTRE VALVEPILOT AS
Page 32 and 33: 1CE SERIES OVERCENTRE VALVEALTERNAT
Page 34 and 35: 1CEBL SERIES LOAD CONTROL / HOLDING
Page 36 and 37: 2FB SERIES2FB SERIES PRESSURE COMPE
Page 38 and 39: 2FP SERIES2FP SERIES PRESSURE COMPE

7SP300 DIRECTIONAL CONTROL VALVE - Federal Fluid Power, Inc.

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