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  2. Diaphragm valve - Wikipedia

    en.wikipedia.org/wiki/Diaphragm_valve

    Diaphragm valves can be controlled by various types of actuators e.g. manual, pneumatic, hydraulic, electric etc. The most common diaphragm valves use pneumatic actuators; in this type of valve, air pressure is applied through a pilot valve into the actuator which in turn raises the diaphragm and opens the valve. This type of valve is one of ...

  3. Pilot-operated relief valve - Wikipedia

    en.wikipedia.org/wiki/Pilot-operated_relief_valve

    A separate actuator on the piping releases pressure in the line if it crosses a threshold. This releases the pressure on the back of the seal, causing the valve to open. The essential parts of a PORV are a pilot valve (or control pilot), a main valve, a pilot tube, the dome, a disc or piston, and a seat. The volume above the piston is called ...

  4. 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 ...

  5. AOL Video - Serving the best video content from AOL and ...

    www.aol.com/video/view/plumbung-tips-how-to-fix...

    The AOL.com video experience serves up the best video content from AOL and around the web, curating informative and entertaining snackable videos.

  6. Air-operated valve - Wikipedia

    en.wikipedia.org/wiki/Air-operated_valve

    An air-operated valve, also known as a pneumatic valve, is a type of power-operated pipe valve that uses air pressure to perform a function similar to a solenoid. As air pressure is increased, the compressed air starts to push against the piston or diaphragm walls which causes the valve to actuate.

  7. Control valve - Wikipedia

    en.wikipedia.org/wiki/Control_valve

    An automatic control valve consists of three main parts in which each part exist in several types and designs: Valve actuator – which moves the valve's modulating element, such as ball or butterfly. Valve positioner – which ensures the valve has reached the desired degree of opening. This overcomes the problems of friction and wear.

  8. The “Yellowstone” prequel “1923” is branching out into new territory. Starting this December, new and existing “1923” viewers will have a another way to watch the series when it hits ...

  9. Uber And WeRide Partner For Robotaxi Service In Abu Dhabi - AOL

    www.aol.com/uber-weride-partner-robotaxi-abu...

    On Friday, U.S. ride-hailing giant Uber Technologies, Inc. (NYSE:UBER) and Chinese Robotaxi company WeRide Inc. (NASDAQ:WRD) announced the launch of their ride-hailing partnership in Abu Dhabi.

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