symbols - fluid power
TRANSCRIPT
HYDRAULIC SYMBOLS
As per DIN-ISO 1219 (1978)
As per ISO – 1219-1 (1991)
Simple Hydraulic Circuit
Symbols of Hydraulic Pumps & MotorsHydraulic ActuatorsDirectional Control ValvesPressure Control ValvesFlow Control ValvesCheck ValvesAccessories
Pumps and Motors
Function
Pump: Conversion of Mechanical to Hydraulic Energy
Hydraulic Motor: Conversion of Hydraulic Energy in to Mechanical Energy of Rotation
Fixed & Variable Displacement Pumps
Pump Actuation
With Electric Motor
Fixed & Variable Displacement Motors
Hydraulic Actuators
Function
Hydraulic Motor: Conversion of Hydraulic Energy in to Mechanical Energy of
Rotation
Hydraulic Cylinder: Conversion of Hydraulic Energy in to Mechanical in
the Form of Linear Motion
Hydraulic Cylinders
Direction Control Valves
FunctionOpen or Close Various Flow PathsDesignated by number of ports &
Switching PositionsEx. 4/3 DC Valve
4/3 Direction Control Valve
Direction Control Valves
DC Valve Switching Mechanism
Central Positions
Pilot Operated DC Valve
Pressure Control Valves
FunctionTo Control Pressure in the systemProtects the system from high pressure
Pressure Relief Valve
Pressure Relief Valve
Pressure Reducing Valve
Sequence Valve
Flow Control Valves
FunctionTo regulate Volumetric Flow Rate
Throttle Valve
Flow Control Valves
Application of FCV
Check Valve
FunctionAllows flow only in one Direction
Check Valve
Accessories
Questions?
Thank You