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  2. Pressuretrol - Wikipedia

    en.wikipedia.org/wiki/Pressuretrol

    The main setting is accessible from the outside of the controller, but the differential is often located inside the controller box, and typically the cover must be removed by removing a screw to access the differential control. If the main setting is a cut-in setting, then the differential setting sets the cut-out setpoint by adding to the cut ...

  3. Reduced pressure zone device - Wikipedia

    en.wikipedia.org/wiki/Reduced_pressure_zone_device

    In the case of the downstream check valve passing, the differential pressure relief valve prevents the possibility of the chamber pressure from exceeding the supply pressure. It is theoretically possible that, when both valves are faulty, backflow could occur, should the reverse flow rate exceed the capacity of the relief valve.

  4. Heart valve repair - Wikipedia

    en.wikipedia.org/wiki/Heart_valve_repair

    Mitral valve repair is mainly used to treat stenosis (narrowing) or regurgitation (leakage) of the mitral valve. [citation needed] A mitral balloon valvuloplasty enlarges the valve opening to allow greater oxygenated blood flow into the left ventricle, and since severe mitral regurgitation can be a major complication, degrees of stenosis, regurgitation, and valve anatomical features are taken ...

  5. Control valve - Wikipedia

    en.wikipedia.org/wiki/Control_valve

    A control valve is a valve used to control fluid flow by varying the size of the flow passage as directed by a signal from a controller. [1] This enables the direct control of flow rate and the consequential control of process quantities such as pressure, temperature, and liquid level.

  6. Remains Found in Pa. Over 50 Years Ago Identified as Missing ...

    www.aol.com/lifestyle/remains-found-pa-over-50...

    Human remains found in Lebanon Township, Pennsylvania, in 1973 have been identified, officials in the state confirmed. Pennsylvania State Police Sgt. Josh Lacey announced in a press conference on ...

  7. After 14 seasons and nearly 300 episodes, “Blue Bloods” fans will join the Reagans on Friday night, Dec. 13, for their final family dinner. Viewers will bid farewell to the CBS police ...

  8. Relief valve - Wikipedia

    en.wikipedia.org/wiki/Relief_valve

    A relief valve DN25 on cooling water pipe from heat exchanger Schematic diagram of a conventional spring-loaded pressure relief valve. A relief valve or pressure relief valve (PRV) is a type of safety valve used to control or limit the pressure in a system; excessive pressure might otherwise build up and create a process upset, instrument or equipment failure, explosion, or fire.

  9. What are moon signs? Why astrologers think they're just as ...

    www.aol.com/moon-signs-why-astrologers-think...

    What is a moon sign? Read on for the meaning of moon sign in astrology for Aries, Aquarius, Pisces, Scorpio, Cancer, Leo, Capricorn, Libra, Virgo and more.

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