Types,purpose,working principle,diagram and trouble shooting of direction control valve in Hydraulic system. Purpose of Direction control valve in hydraulic system DCV are used to control the actuators.For example-Forward and reverse movement of piston can be controlled by DCV. Direction control valve can be divided into two types Sliding spool type Read more…
Hydraulic Symbol of pressure gauge. For Hydraulic maintenance-Visit here. Specification of pressure gauge Type Display Working pressure range Dial size Vacuum range Operating temperature Accuracy Sensor Media Units
P & ID symbol of globe valve is- For more details visit here. Learn CNC Programming and Maintenance-Click here.
Electric symbol for motor,dc motor symbol,Induction motor Symbol. For More details-Click here. Learn CNC Programming,Maintenance of CNC Machine-Click here.
PLC or Electrical symbol for relay or coil. It is a coil having NO and NC contact.When coil will get charged the NO will become NC.NC will become NO. For More details-Click here. CNC programming and Maintenance-Click here.
Hydraulic pressure reduction valve symbol. In this valve Pressure line or oil flow line is block by spring pressure .When the oil pressure exceed spring pressure the oil flow line will connect. Excess oil flow to tank. For More details click here. Hydraulic Maintenance-Click here.
Above symbol is Hydraulic symbol of pressure switch.It provides feed of pressure. When the Hydraulic pressure reached to set pressure,its contact will change. For More details click here. CNC Programming and CNC maintenance-Click here.
Hydraulic valve symbol-4/2 directional control valve symbol. In this valve there are 4 port and two positions.P is pressure port.R is return line port.A & B are application ports connected to cylinder or hydro motor. For more details-Click here. Learn CNC programming-click here.
3 position 4 way valve symbol or 4/3 directional control valve symbol. It has 4 ports/ways-P,T,A and B. P is pressure port.T is tank.A and B connected to cylinder. Center position is close type. During middle position all ports are closed. In right position P is connected to A and Read more…
Symbol for pressure relief valve explained. Working principle of Pressure relief valve In this valve the oil will be released to tank if the pressure exceed the set pressure. Normally this valve is closed.A pilot line is connected from input to spool which is close the path through spring pressure. Read more…