2 - TCA spa

1DR SERIES RELIEF VALVEDIRECT ACTING1DR2POPPET TYPE1TANK (2)2PRESSURE (1)21DR30POPPET TYPE1TANK (2)PRESSURE (1)2APPLICATIONBoth fitting the same cavity, the 1DR2 is ideally suitedfor use as a pilot valve or a thermal relief, whereas the1DR30 is an economical solution for small flowsystems where a fast response is required.SPECIFICATIONSFigures based on: Oil Temp = 4O°C Viscosity = 40 cStRated Flow1DR2/22 1.2 litres/min (0.3 US GPM)1DR30/35 30 litres/min (8.0 US GPM)Max Setting400 bar (5800 psi)OPERATIONPressure on the nose of the cartridge acts over theseat area moving the poppet against the spring,allowing relief flow to tank.FEATURES1DR2 Series:Fast acting, good reseat, ideal for remote operation oflarger valves.1DR30 Series:Fast acting, low pressure rise due to flow for a direct actingvalve.Cartridge MaterialBody MaterialMounting PositionCavity NumberTorque Cartridgeinto CavityWeightSeal Kit NumberRecommendedFiltration LevelOperating TempLeakageNominal ViscosityRangeWorking parts hardened and groundsteel. External surfaces zinc plated.Standard aluminium (up to 210 bar*)Add suffix ‘377’ for steel optionUnrestrictedA879 (See Section 17)45 Nm (33 lbs ft)1DR21DR221DR301DR350.14 kg (0.30 lbs)0.28 kg (0.60 lbs)0.17 kg (0.37 lbs)0.31 kg (0.67 lbs)1DR2/22 SK 187-02 (Nitrile)SK 187-02V (Viton)1DR30/35BS5540/4 Class 18/13(25 micron nominal)-20°C to +90°C0.3 millilitres/min nominal (5 dpm)5 to 500 cStSK243 (Nitrile)SK243V (Viton)*For applications above 210 bar please consult our technical department or use the steel body option.Integrated Hydraulics LtdIntegrated 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.com2-151.C