Hydraulic Directional Control Valve Spool Types

Directional control valves hydraulic valves hydraulics prince monoblock valve brand new prince.

Hydraulic directional control valve spool types. Hydraulic valves directional control valves. Dcvs will usually consist of a spool inside a cylinder which is mechanically or electrically actuated. At this point it is necessary to review the three most common center configurations fig. Pressure 345 bar 5000 psi standard csa 207 bar 3000 psi.

Such type of directional control valve require good practice of maintenance as dirty hydraulic fluid will damage the valve land mating surface and therefore accuracy will not be secured as desired. When h f and g spool type in neutral position of 4way 3postion directional spool valve the oil fluid from pump. Some experience with the directional control valve symbol has already been gained. Before selecting hydraulic directional spool valves it must be sure to choose appropriate spool valve in neutral position as per requirements of hydraulic system.

Spool will slide in the bore in axial direction. 3 spool 4 way 3 position spring center 21 gpm 3625 psi sae 10 inlet and 12 outlet ports and sae 10 work ports 1500 3625 psi relief setting 220901. Design pressure unloading circuit by spool function in neutral position to achieve energy savings. For control of cylinders motors etc.

We provide industrial seat and spool valves hydraulically or manually operated pneumatic solenoid and manual valves mobile monoblock and sectional valves ball valves for different applications and media control valves and. Parker offers a comprehensive range of directional control valves for a wide variety of media and customer applications available in various types and configurations. Spring center 2 i o port 10 sae 2. Prince rd5200 directional control valve 25gpm rd522gcga5a4b1 item 220 201.

The directional control valve symbol is the most intuitive and selfexplanatory of the symbols. When the force needed to shift the main spool of the valve exceeds the practical limit of a solenoid the pilot valve uses fluid pressure to shift the main spool left or right. Chief g series p80 directional control valve. This cutaway view of a spool type directional control valve has pilot valve.

Directional control valves dcvs are one of the most fundamental parts of hydraulic and pneumatic systems dcvs allow fluid flow hydraulic oil water or air into different paths from one or more sources. Operating p a b. 4 way 3 position 2 spool action. 3 1 for spool type directional control valves.