A valve is a device that controls the flow of a fluid like liquids, slurries, fluidized gases or regular gases, by partially obstructing, opening or closing particular passageways. Valves are usually pipe fittings but are usually discussed as a separate category. In situations where an open valve is concerned, fluid flows in a direction from higher to lower pressure.
Valves are used in many applications like military, industrial, residential, transport and commercial industries. Some of the major businesses which depend on valves comprise the chemical manufacturing, power generation, water reticulation, sewerage, oil and gas sector and mining.
In day to day activities, the most common valves are plumbing valves as seen as it taps for tap water. Several common examples include small valves fitted to dishwashers and washing machines, gas control valves on cookers, valves in car engines and safety devices fitted to hot water systems. In nature, veins in the human body act as valves and regulate the blood circulation. Heart valves also control the circulation of blood in the chambers of the heart and maintain the correct pumping action.
Valves can be operated in several ways. Like for example, they could be operated either by a pedal, a lever or a handle. Valves can be driven by changes in temperature, pressure or flow or they could be automatic. These changes can act upon a piston or a diaphragm which in turn activates the valve. Some common examples of this kind of valve are seen on safety valves or boilers fitted to hot water systems.
Valves are used in numerous complicated control systems that may require an automatic control that is based on external input. Controlling the flow through the pipe to a changing set point is an example. These circumstances usually require an actuator. An actuator will stroke the valve depending on its input and set-up, allowing the valve to be places precisely while allowing control over several needs.
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Hyster Parts in Los Angeles
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