POCKET BOOK_Final_Turned - Pall Corporation

Common Fluid Power Circuit Diagram SymbolsISO1219-1: Fluid power systems and components - Graphic symbols and circuit diagrams -Part 1: Graphic symbols for conventional use and data processing applications.Directional Control Valve ActuationCylinders & Semi-rotary ActuatorsSwitchingSolenoidProportionalSolenoidElectro-Hydraulic(Pilot) OperationHandLeverFootPedalPalmButtonPressure Control ValvesDouble ActingCylinderBi-directionalSemi-rotary ActuatorCylinder withAdjustable CushioningSingle ActingTelescopic CylinderPumps & MotorsDirect OperatedRelief ValvePilot OperatedRelief ValveDirect OperatedReducing ValveDirect Operated3 Way Reducing ValveIsolation & Flow Control ValvesFixed Displacement PumpUni-directional FlowBi-directional RotationVariable Displacement PumpBi-directional FlowAnti-clockwise RotationIsolator(Open)Isolator(Closed)DiverterValveOrifice(Jet)ThrottleValveFixed Displacement MotorAnti-clockwise RotationVariable Displacement MotorBi-directional RotationExternal Case DrainDirectional Control Valves (Unspecified Actuation)Pressure Compensated Pump[Shortform Symbol]Uni-directional FlowExternal Case DrainClockwise RotationElectric Motor DrivenCheckValveFilters & CoolersPilot-to-OpenCheck ValveShuttle ValveThrottle-CheckValvePressure CompensatedFlow Control Valve2 Port, 2 PositionNormally Closed2 Port, 2 PositionNormally Open3 Port, 2 PositionSpring Return3 Port, 2 PositionSpring Return[Poppet type]Filter with VisualClogging IndicatorFilter withBypass ValveDuplex Filter withManual ValveCooler(Heat Exchanger)4 Port, 2 PositionSpring Return4 Port, [3 Position]Proportional4 Port, 3 Position, Spring Centred(See Below for Centre Conditions)Instrumentation & Pipeline ComponentsFlow Line, Symbol EnclosurePilot Line, Drain LineFlexible HoseClosed Centre Open Centre Tandem Centre Float Centre Regeneration CentreLines ConnectingLines CrossingConnectionsTo TankTemp.GaugePressureGaugeTestPointFlowmeterAccumulator30