The principle of converting pressure into kinetic energy and then reconverting this energy into a controlled pressure can be utilized as a control means. The…
Category: Hydraulic Valves
The four-way flapper-nozzle valve has two identical hydraulic circuits, one supplies flow and pressure to one side of an actuator, the other circuit supplies the…
The flapper-nozzle valve has certain mechanical design advantages mainly the simpler construction and the feature of no close-clearance sliding parts as compared to the spool-type…
The two-way valve is merely a throttling valve having one variable-area orifice. When used in conjunction with a constant-flow source, the two-way valve can be…
The three-way control valve uses only one control pressure line to the actuator with the normal pressure supply line and a drain or return line.…
When a valve is designed to use a constant-flow source of fluid, the valve does not have its cont.rolling edges covering their corresponding port edges.…
The gear-type flow divider valve works like two hydraulic gear motors with attached shafts. The both motor must have to run at the same speed…
The figure above shows a hydraulic sliding-spool valve. The piston inside the valve slides back and forth to block and release ports in the housing.…
A hydraulic flow control valve is a device used for adjusting or manipulating the hydraulic oil flow rate. The hydraulic flow control valve constructs of…
The direct acting and pilot operated relief valve have a different pressure vs. flow curve although both of them perform the same function. The pilot…