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2. Ball valve - Wikipedia

   en.wikipedia.org/wiki/Ball_valve

   In reduced bore (sometimes reduced port) ball valves, flow through the valve is one pipe size smaller than the valve's pipe size resulting in the flow area being smaller than the pipe. As the flow discharge remains constant and is equal to the area of flow (A) times velocity (V), A 1 V 1 = A 2 V 2 {\displaystyle A_{1}V_{1}=A_{2}V_{2}} the ...

3. B16 Standardization of Valves, Flanges, Fittings, and Gaskets

   en.wikipedia.org/wiki/B16_Standardization_of...

   The ASME B16 Standardization of Valves Flanges, Fittings and Gaskets Committee, which operates under ASME’s Board on Pressure Technology Codes and Standards is responsible for standards covering valves, flanges, pipe fittings, gaskets and valve actuators for use in pressure services.

4. List of valves - Wikipedia

   en.wikipedia.org/wiki/List_of_valves

   The inside of an extremely large butterfly valve Duplex ball valve Three check valves in corrosion-resistant Hastelloy Stainless steel gate valve. Valves can be categorized into the following types, based on their operating mechanism: Ball valve, for on–off control without pressure drop. Ideal for quick shut-off, since a 90° turn completely ...

5. List of IEC standards - Wikipedia

   en.wikipedia.org/wiki/List_of_IEC_standards

   IEC 61148 Terminal markings for valve device stacks and assemblies and for power conversion equipment; IEC TS 61149 Guide for safe handling and operation of mobile radio equipment; IEC 61152 Dimensions of metal-sheathed thermometer elements; IEC 61156 Multicore and symmetrical pair/quad cables for digital communications

6. Chiefs clinch No. 1 seed, first-round bye in playoffs with ...

   www.aol.com/chiefs-clinch-no-1-seed-214936891.html

   The Kansas City Chiefs clinched the no. 1 seed in the AFC and a first-round bye with their 29-10 win over the Pittsburgh Steelers on Christmas day.

7. Five freed members of Bali Nine drug gang ‘relieved and happy ...

   www.aol.com/indonesia-releases-remaining-five...

   The remaining five Australians from the infamous “Bali Nine” drug gang are “relieved and happy” to be home after Canberra struck a deal with Jakarta to end their two decades of imprisonment.