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2 - TCA spa

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1GR SERIES RELIEF VALVEDIRECT ACTING1GR30TANK (2)1SLIDING SPOOL TYPEPRESSURE (1)221GR100TANK (2)SLIDING SPOOL TYPEPRESSURE (1)APPLICATIONIdeal for low pressure applications, giving good controlwith fairly constant flow. Also very quiet in operationwhen applied on low flow or unstable hydraulicsystems.OPERATIONThe valve is held closed by the spring until pressureon the piston overcomes the valve setting, allowingrelief flow to tank through a ring of radial holes.PRESSURE DROP200175FLOW-US GPM0 2.5 5.0 7.5 10 12.51GR301530002500FEATURESStable, quiet operation. Cartridge construction to givemaximum flexibility in mounting. Offering goodrepeatability and reseat.SPECIFICATIONSFigures based on: Oil Temp = 40°C Viscosity = 40 cStRated FlowMax SettingCartridge Material1GR301GR1001GR301GR10030 litres/min (8 US GPM)150 litres/min (40 US GPM)160 bar (2300 psi)40 bar (600 psi)Working parts hardened and groundsteel. External surfaces zinc platedPRESSURE-BARPRESSURE-BAR150125100755025050403020100010 20FLOW-US 30 40FLOW LITRES/MIN3010GPM201GR1003060 90 120FLOW LITRES/MINIntegrated Hydraulics Ltd504015020001500100050008006004002000PRESSURE-PSIPRESSURE-PSIBody MaterialMounting PositionCavity NumberTorque Cartridgeinto CavityWeightSeal Kit NumberRecommendedFiltration LevelOperation TempLeakageNominal ViscosityRangeStandard aluminium (up to 210 bar*)Add Suffix ‘377’ for steel optionUnrestrictedA881 (See Section 17)60 Nm (44 lbs ft)1GR30/1GR1001GR35/1GR1451GR36/1GR1501GR1550.31 kg (0.7 lbs)0.54 kg (1.2 lbs)0.91 kg (2.0 lbs)1.08 kg (2.4 lbs)SK190 (Nitrile) SK190V (Viton)BS5540/4 Class 18/13(25 micron nominal)-20°C to +90°C15 millilitres/min nominal5 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.com2-171.D

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