2 - TCA spa

CETOP 05 CHECK STACKING SLICEPILOT TO OPEN05*CK1 23APPLICATIONPilot check valves allow flow to pass in one direction,with a low pressure drop, then prevent reverse flowuntil pilot pressure is applied. There are manyapplications for this valve type, the most commonbeing to lock and hold a cylinder, or another hydraulicactuator, in position.The 4CK90 is a small cartridge valve and is ideallysuited for fitting directly into a cylinder, giving economyof installation, direct control of cylinder movement andease of servicing.OPERATIONPressure on the valve port causes the poppet to liftagainst the spring force, allowing the flow to thecylinder port. Reverse flow is prevented by the poppetreseating. Pressure applied to the pilot port willovercome the cylinder port pressure and lift the poppetfrom its seat, allowing flow from the cylinder to valveport.FEATURESHardened and ground poppet gives excellent flowcapability for valve size, positive sealing and long workinglife.SPECIFICATIONSFigures based on: Oil Temp = 40°C Viscosity = 40 cStRated FlowMax PressurePilot Ratio 4:1Cartridge MaterialBody MaterialMounting Position90 litres/min (24 US GPM)350 bar (5000 psi)Working parts hardened and groundsteel. Electroless zinc plated bodyUnrestrictedCavity Number A12336 (See Section 17)Torque Cavityinto CartridgeStandard aluminium (up to 210 bar*)Add suffix ‘377’ for steel option.60 Nm (44 lbs ft)PRESSURE DROPWeight(inc cartridge)SingleDual1.96 kg (4.31 lbs)2.58 kg (5.68 lbs)Cartridge onlySeal Kit NumberSK832 (Nitrile)SK832V (Viton)142520FLOW-US GPM0 5 10 152025320RecommendedFiltration LevelOperating TempLeakageBS5540/4 Class 18/13(25 micron nominal)-20°C to +90°C0.3 millilitres/min nominalPRESSURE-BAR15105PILOTED OPENFREE FLOW24016080PRESSURE-PSINominal ViscosityRange5 to 500 cSt02040FLOW-LITRES/MIN60 80 1000Integrated 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.com14-141.E