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2. Flow control valve - Wikipedia

   en.wikipedia.org/wiki/Flow_control_valve

   Control valves can also work with hydraulic actuators (also known as hydraulic pilots). These types of valves are also known as automatic control valves. The hydraulic actuators respond to changes of pressure or flow and will open/close the valve. Automatic control valves do not require an external power source, meaning that the fluid pressure ...

3. Mueller Water Products - Wikipedia

   en.wikipedia.org/wiki/Mueller_Water_Products

   The Henry Pratt Company develops, manufactures and sells valves, valve actuators and control systems for use in potable water, wastewater, power, industrial, and nuclear applications. The company was founded in 1901 as a metal fabricating shop, and it designed and developed the first rubber-seated butterfly valve in 1926.

4. Mass flow controller - Wikipedia

   en.wikipedia.org/wiki/Mass_flow_controller

   All mass flow controllers have an inlet port, an outlet port, a mass flow sensor and a proportional control valve. The MFC is fitted with a closed loop control system which is given an input signal by the operator (or an external circuit/computer) that it compares to the value from the mass flow sensor and adjusts the proportional valve ...

5. Flowserve - Wikipedia

   en.wikipedia.org/wiki/Flowserve

   2000 - Innovative Valve Technologies Inc. (Houston-based maintenance, repair, and replacement services for industrial valves, piping systems, and process system components [13]) 2002 - Flow Control division of Invensys (manufacturer of valves, actuators and associated flow control products [14])

6. Flow control structure - Wikipedia

   en.wikipedia.org/wiki/Flow_control_structure

   A flow control structure is a device that alters the flow of water in a stream, drainage channel or pipe. As a group these are passive structures since they operate without intervention under different amounts of water flow and their impact changes based on the quantity of water available.

7. Tap (valve) - Wikipedia

   en.wikipedia.org/wiki/Tap_(valve)

   Turning a valve knob or lever adjusts flow by varying the aperture of the control device in the valve assembly. The result when opened in any degree is a choked flow . Its rate is independent of the viscosity or temperature of the fluid or gas in the pipe, and depends only weakly on the supply pressure , so that flow rate is stable at a given ...