Forklift Steering Valve - Valves aid to regulate the flow of a fluids like for example slurries, fluidized gases or regular gases, liquids by partially obstructing, opening or even by closing some passageways. Standard valves are pipe fittings but are discussed as a separate category. In cases where an open valve is concerned, fluid flows in a direction from higher to lower pressure.
Valves are utilized in many applications such as commercial, military, industrial, residential and transport trades. Some of the main trades which rely on valves include the water reticulation, sewerage, oil and gas sector, mining, chemical manufacturing and power generation.
In day to day activities, the most common valves are plumbing valves as seen since it taps for tap water. Other popular examples consist of small valves fitted to washing machines and dishwashers, gas control valves on cookers, valves inside car engines and safety devices fitted to hot water systems. In nature, veins within the human body act as valves and control the blood flow. Heart valves also control the flow of blood in the chambers of the heart and maintain the proper pumping action.
Valves can be worked in a variety of ways. For instance, they could be operated either by a lever, a handle or a pedal. Valves could be driven by changes in temperature, pressure or flow or they can be automatic. These changes may act upon a diaphragm or a piston which in turn activates the valve. Several popular examples of this particular kind of valve are found on boilers or safety valves fitted to hot water systems.
Valves are used in many complicated control systems which may require an automatic control which is based on external input. Regulating the flow through the pipe to a changing set point is an example. These circumstances normally require an actuator. An actuator would stroke the valve depending on its input and set-up, allowing the valve to be positioned precisely while enabling control over various requirements.
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