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2. Pressure reducing regulator - Wikipedia

   en.wikipedia.org/wiki/Pressure_regulator

   Two types are found: The pressure reduction regulator and the back-pressure regulator. A pressure reducing regulator is a control valve that reduces the input pressure of a fluid to a desired value at its output. It is a normally-open valve and is installed upstream of pressure sensitive equipment. [ 1 ]

3. Diving regulator - Wikipedia

   en.wikipedia.org/wiki/Diving_regulator

   A diving regulator or underwater diving regulator is a pressure regulator that controls the pressure of breathing gas for underwater diving.The most commonly recognised application is to reduce pressurized breathing gas to ambient pressure and deliver it to the diver, but there are also other types of gas pressure regulator used for diving applications.

4. Mechanism of diving regulators - Wikipedia

   en.wikipedia.org/wiki/Mechanism_of_diving_regulators

   The valve is closed. The mechanism of diving regulators is the arrangement of components and function of gas pressure regulators used in the systems which supply breathing gases for underwater diving. Both free-flow and demand regulators use mechanical feedback of the downstream pressure to control the opening of a valve which controls gas flow ...

5. Scuba set - Wikipedia

   en.wikipedia.org/wiki/Scuba_set

   A single-hose regulator with 2nd stage, gauges, BC attachment, and dry suit hose mounted on a cylinder. Most modern open-circuit scuba sets have a diving regulator consisting of a first-stage pressure-reducing valve connected to the diving cylinder's output valve or manifold. This regulator reduces the pressure from the cylinder, which may be ...

6. Flow control valve - Wikipedia

   en.wikipedia.org/wiki/Flow_control_valve

   The most common final control element in the process control industries is the control valve. The control valve manipulates a flowing fluid, such as gas, steam, water, or chemical compounds, to compensate for the load disturbance and keep the regulated process variable as close as possible to the desired set point. [1]

7. Venturi effect - Wikipedia

   en.wikipedia.org/wiki/Venturi_effect

   Bilge water can be emptied from a moving boat through a small waste gate in the hull. The air pressure inside the moving boat is greater than the water sliding by beneath. A scuba diving regulator uses the Venturi effect to assist maintaining the flow of gas once it starts flowing; In recoilless rifles to decrease the recoil of firing