2 - TCA spa

1CEECSH SERIES MOTION CONTROL VALVEWITH BRAKE SHUTTLE - PILOT ASSISTED1CEECSH95C1C2V1BTV26APPLICATIONMotion control and lock valves give static and dynamiccontrol by regulating the flow into and out of hydraulicactuators. When installed close to an actuator, thevalve can stop runaway in the event of hose burst. Thevalves also give dual thermal and overload reliefprotection.A low pressure tank or charge line may be connectedto the T port to provide a make-up flow to eitheractuator port.OPERATIONThe check section allows free flow into the actuatorthen holds and locks the load against movement. Thepilot assisted relief valve section will give controlledmovement when pilot pressure is applied. The reliefsection is normally set to open at a pressure at least1.3 times the maximum load induced pressure but thepressure required to open the valve and allowmovement depends on the pilot ratio of the valve. Foroptimisation of load control and energy usage, achoice of pilot ratios is available.The pressure required to open the valve and startactuator movement can be calculated as follows:Pilot Pressure = (Relief Setting) - (Load Pressure)Pilot RatioA system of check valves allows crossline relief fordynamic applications with the optional make up facilityto compensate for any change in system volume.PILOT RATIO4:1 Best suited for applications where the loadvaries and machine structure can induceinstability.8:1 Best suited for applications where the loadremains relatively constant.Other ratios available upon request.FEATURESThis valve provides complete circuit control and protectionas with the standard motion control valve but has theaddition of a brake release shuttle and brake portcontained in a single body.SPECIFICATIONSFigures based on: Oil Temp = 40°C Viscosity = 40 cStRated FlowMax SettingCartridge MaterialBody MaterialMounting PositionWeightSeal Kit NumberRecommendedFiltration LevelOperating TempLeakageNominal ViscosityRange95 litres/min (25 US GPM)Max Load InducedPressure: 160 bar (2300 psi) (20)270 bar (4000 psi) (35)Relief Setting: 350 bar (5000 psi) (35)225 bar (3260 psi) (20)Working parts hardened and groundsteel. External surfaces electrolessnickel platedSteelLine mounted3.70 kg (8.20 lbs)SK814 (Nitrile)BS5540/4 Class 18/13(25 micron nominal)-20°C to +90°C5 to 500 cStSK814V (Viton)0.3 millilitres/min nominal (5 dpm)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.com6-331.E