Hyster Hydraulic Control Valve
The job of directional control valves is to route the fluid to the desired actuator. Normally, these control valves consist of a spool positioned in a housing created either of steel or cast iron. The spool slides to various positions inside the housing. Intersecting grooves and channels route the fluid based on the spool's location.
The spool is centrally located, help in place by springs. In this particular location, the supply fluid can be blocked and returned to the tank. When the spool is slid to one direction, the hydraulic fluid is directed to an actuator and provides a return path from the actuator to tank. If the spool is moved to the opposite side, the return and supply paths are switched. When the spool is enabled to return to the neutral or center place, the actuator fluid paths become blocked, locking it into position.
The directional control is typically intended to be stackable. They usually have one valve per hydraulic cylinder and one fluid input which supplies all the valves in the stack.
To be able to prevent leaking and deal with the high pressure, tolerances are maintained extremely tight. Typically, the spools have a clearance with the housing of less than a thousandth of an inch or 25 µm. So as to prevent distorting the valve block and jamming the valve's extremely sensitive components, the valve block will be mounted to the machine' frame by a 3-point pattern.
The position of the spool could be actuated by mechanical levers, hydraulic pilot pressure, or solenoids which push the spool left or right. A seal enables a portion of the spool to protrude outside the housing where it is accessible to the actuator.
The main valve block controls the stack of directional control valves by capacity and flow performance. Some of these valves are designed to be proportional, as a valve position to the proportional flow rate, whereas some valves are designed to be on-off. The control valve is one of the most pricey and sensitive components of a hydraulic circuit.
Click to Download the pdf
Hyster Parts in Los Angeles
An alternator is a device which transforms mechanical energy into electric energy. This is done in the form of an electric current. In principal, an AC electric generator can be labeled an alternator. The word usually refers to a small, rotating devi...
A brake drum is in which the friction is provided by the brake shoes or brake pads. The shoes or pads press up against the rotating brake drum. There are some different brake drums types along with particular specific differences. A "break drum" will...
Hyster Carriage Rollers
Specially designed bearings referred to as carriage rollers are regularly found on lift masts since they enable them to function better within difficult environmental conditions. The typical lift mast is regularly subject to frequent oscillations, sh...
Hyster Carriages and Carriage Parts
Rated by the fork carriage hoisting capacity, there are four sizings of hook type tine carriages. The hook type fork carriages have been standardized.
The carriage bar spacing utilized for Class 1 is around 13 inches and the Class 1 carriage is ra...
Hyster Control Valves
Automatic control systems were first created over two thousand years ago. The ancient water clock of Ktesibios in Alexandria Egypt dating to the third century B.C. is considered to be the first feedback control device on record. This particular clock...
Lift trucks are accessible in a variety of various units that have varying load capacities. Nearly all average forklifts used in warehouse settings have load capacities of one to five tons. Larger scale models are used for heavier loads, like for ins...
A differential is a mechanical device that could transmit torque and rotation through three shafts, frequently but not at all times employing gears. It often functions in two ways; in vehicles, it receives one input and provides two outputs. The othe...
Hyster Drive Axles
The piece of equipment that is elastically affixed to the framework of the vehicle using a lift mast is the forklift drive axle. The lift mast attaches to the drive axle and could be inclined, by at the very least one tilting cylinder, round the driv...