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  2. Flushometer - Wikipedia

    en.wikipedia.org/wiki/Flushometer

    The diaphragm technology allows the flush valve to open and let water into the bowl. A main cylinder valve operates up and down. A groove in this cylinder allows water from the main supply to flow through when it is in a mid position. The valve is shut off at both its top and bottom positions.

  3. Topographic wetness index - Wikipedia

    en.wikipedia.org/wiki/Topographic_Wetness_Index

    The topographic wetness index (TWI), also known as the compound topographic index (CTI), is a steady state wetness index. It is commonly used to quantify topographic control on hydrological processes. [1] The index is a function of both the slope and the upstream contributing area per unit width orthogonal to the flow direction.

  4. Maximum allowable operating pressure - Wikipedia

    en.wikipedia.org/wiki/Maximum_allowable...

    This is +10% for PD 5500, and ASME Section VIII div 1 & 2 (with an additional +10% allowance in ASME Section VIII for a fire relief case). ASME has different criteria for steam boilers . Maximum expected operating pressure ( MEOP ) is the highest expected operating pressure, which is synonymous with maximum operating pressure (MOP).

  5. 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.

  6. Flow coefficient - Wikipedia

    en.wikipedia.org/wiki/Flow_coefficient

    A simplified version of the definition is: The k v factor of a valve indicates "The water flow in m 3 /h, at a pressure drop across the valve of 1 kgf/cm 2 when the valve is completely open. The complete definition also says that the flow medium must have a density of 1000 kg/m 3 and a kinematic viscosity of 10 −6 m 2 /s , e.g. water.

  7. Is Sildenafil Safe for This Common Male Problem? - AOL

    www.aol.com/sildenafil-safe-common-male-problem...

    Heart issues like angina, narrowing of the aortic valve, irregular heartbeat or heart failure, or have previously had a stroke or heart attack Blood cell-related conditions, such as multiple ...

  8. Piping and instrumentation diagram - Wikipedia

    en.wikipedia.org/wiki/Piping_and_instrumentation...

    Valves and their types and identifications (e.g. isolation, shutoff, relief and safety valves, valve interlocks) Control inputs and outputs (sensors and final elements, interlocks) Miscellaneous - vents, drains, flanges, special fittings, sampling lines, reducers and swages; Interfaces for class changes; Computer control system

  9. They bought an $800 AI robot for their kids. Now the company ...

    www.aol.com/news/bought-800-ai-robot-kids...

    The Moxie AI robot cost $800 and was marketed to parents to help teach children social skills. The company sent customers an email in late November announcing it would be shutting down.

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