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  2. Gate valve - Wikipedia

    en.wikipedia.org/wiki/Gate_valve

    Gate valves may have flanged ends drilled according to pipeline-compatible flange dimensional standards. Gate valves are typically constructed from cast iron, cast carbon steel, ductile iron, gunmetal, stainless steel, alloy steels, and forged steels. All-metal gate valves are used in ultra-high vacuum chambers to isolate regions of the chamber ...

  3. List of valves - Wikipedia

    en.wikipedia.org/wiki/List_of_valves

    The inside of an extremely large butterfly valve Duplex ball valve Three check valves in corrosion-resistant Hastelloy Stainless steel gate valve. Valves can be categorized into the following types, based on their operating mechanism: Ball valve, for on–off control without pressure drop. Ideal for quick shut-off, since a 90° turn completely ...

  4. Gatehouse (waterworks) - Wikipedia

    en.wikipedia.org/wiki/Gatehouse_(waterworks)

    A regulating gate or valve controls water flow into the pipes of the outlet works, which discharge downstream into a stilling basin or directly into the river. [2] The inlets of the outlet works may consist of either gates or valves, or be composed of a more primitive system of stoplogs .

  5. Valve actuator - Wikipedia

    en.wikipedia.org/wiki/Valve_actuator

    The blue valve body is visible in-line with the pipe. The valve actuator opens or closes the butterfly disc of the valve based on electrical signals sent to the actuator. Another valve actuator is visible in the background, with windows to indicate the valve position. A valve actuator is the mechanism for opening and closing a valve. Manually ...

  6. 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 ]

  7. Dying To Be Free - The Huffington Post

    projects.huffingtonpost.com/dying-to-be-free...

    There's A Treatment For Heroin Addiction That Actually Works. Why Aren't We Using It?

  8. Bears coaching candidates: Could Lions OC Ben Johnson be Matt ...

    www.aol.com/bears-coaching-candidates-could...

    The Bears could have one of the more intriguing coaching vacancies after firing Matt Eberflus. Here are 10 candidates who could interest them.

  9. They bought an $800 AI robot for their kids. Now the company ...

    www.aol.com/news/bought-800-ai-robot-kids...

    The Moxie AI robot cost $800 and was marketed to parents to help teach children social skills. The company sent customers an email in late November announcing it would be shutting down.

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