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  2. Butterfly valve - Wikipedia

    en.wikipedia.org/wiki/Butterfly_valve

    Butterfly valve with actuator electric valve - An electrically actuated butterfly valve is a quarter-turn valve controlled by an electric motor. It offers fast and precise flow regulation, remote operation, and versatility for various applications.

  3. Flow control valve - Wikipedia

    en.wikipedia.org/wiki/Flow_control_valve

    Control valves are normally fitted with actuators and positioners. Pneumatically-actuated globe valves and diaphragm valves are widely used for control purposes in many industries, although quarter-turn types such as (modified) ball and butterfly valves are also used. Control valves can also work with hydraulic actuators (also known as ...

  4. Electronics industry in Bangladesh - Wikipedia

    en.wikipedia.org/wiki/Electronics_industry_in...

    In 2017, Samsung inaugurated two home appliances manufacturing plant in Bangladesh, in collaboration with Fair Electronics and Transcom Electronics. [5] [6] In 2018, LG Electronics inaugurated TV manufacturing plant in Bangladesh, in collaboration with Butterfly Group. LG also planned to open a refrigerator and air conditioner manufacturing ...

  5. Isolation valve - Wikipedia

    en.wikipedia.org/wiki/Isolation_valve

    An isolation valve is a valve in a fluid handling system that stops the flow of process media to a given location, usually for maintenance or safety purposes. [1] They can also be used to provide flow logic (selecting one flow path versus another), and to connect external equipment to a system. [ 2 ]

  6. Diaphragm valve - Wikipedia

    en.wikipedia.org/wiki/Diaphragm_valve

    Diaphragm valves (or membrane valves) consists of a valve body with two or more ports, a flexible diaphragm, and a "weir or saddle" or seat upon which the diaphragm closes the valve. The valve body may be constructed from plastic , metal or other materials depending on the intended use.

  7. Valve - Wikipedia

    en.wikipedia.org/wiki/Valve

    These water valves are operated by rotary handles. A valve is a device or natural object that regulates, directs or controls the flow of a fluid (gases, liquids, fluidized solids, or slurries) by opening, closing, or partially obstructing various passageways. Valves are technically fittings, but are usually discussed as a separate category. In ...

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