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2. Pressure regulator - Wikipedia

   en.wikipedia.org/wiki/Pressure_regulator

   A typical nominal regulated gauge pressure from a medical oxygen regulator is 3.4 bars (50 psi), for an absolute pressure of approximately 4.4 bar and a pressure ratio of about 4.4 without back pressure, so they will have choked flow in the metering orifices for a downstream (outlet) pressure of up to about 2.3 bar absolute.

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

   Air from the diving cylinder is subjected to a dramatic reduction in pressure - as much as 220 bar (3,200 psi) from a full 230 bar (3,300 psi) , and 290 bar (4,200 psi) from a full 300 bar (4,400 psi) cylinder at the surface - when passing through the regulator first stage.

5. Static synchronous compensator - Wikipedia

   en.wikipedia.org/wiki/Static_synchronous_compensator

   A simplified PID regulator is shown, however a separate closed loop is sometimes used to determine the reference voltage with respect to the slope and any other modes a STATCOM may have. [27] A full PID system can be used, but typically the derivative component is removed (or set very low) to prevent noise from the system or measurements from ...

6. MCI D-Series - Wikipedia

   en.wikipedia.org/wiki/MCI_D-Series

   Several changes in the industry in the late 1980s and early 1990s led to the development of the D-Series coach. First, was the growing calls to allow 45-foot (14 m) coaches (at the time prohibited by US law), second was that MCI's existing models were designed to use two-stroke engines and the company was looking to offer the new Detroit Diesel Series 60 four-stroke engines, and third was 1988 ...