These directional valves consist of a housing 1 control spool 2 control mechanism 3 and return spring 4.
Hydraulic directional control valve types pdf.
Directional control valves are probably the most common of all hydraulic components and are used to control the starting stopping and reversal of flow in a system.
R 2 eaton industrial valve dg4v 3m 65 design e vlvi ss001 e1 october 2015 r general description solenoid operated directional control valves are for directing and stopping flow at any point in a hydraulic system.
Specifications general description series d3w directional control valves are high performance 4 chamber direct operated wet armature solenoid controlled 3 or 4 way valves.
In 4 3 way directional valves the centre position of the control.
They are available in 2 or 3 position and conform to nfpa s d05 cetop 5 mounting patterns.
They protect the system against overpressure which may occur due to a sudden surge as valves open or close or due to an increase in fluid demand.
There are three types of valves.
Catalog hy14 2550 us proportional directional control valves d1fb indd ddp a36 parker hannifin corporation hydr alv division elyr a a specifications series d 1fb general design pilot operated dc valve actuation proportional solenoid size ng10 cetop 5 ng16 cetop 7 ng25 cetop 8 ng32 cetop 10.
A manual hydraulic directional control valve characteristics and configurations of manual directional control valves used in hydraulic systems selecting the right valve for the job.