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2. Block and bleed manifold - Wikipedia

   en.wikipedia.org/wiki/Block_and_bleed_manifold

   A Block and bleed manifold is a hydraulic manifold that combines one or more block/isolate valves, usually ball valves, and one or more bleed/vent valves, usually ball or needle valves, into one component for interface with other components (pressure measurement transmitters, gauges, switches, etc.) of a hydraulic ( fluid) system.

3. Ball valve - Wikipedia

   en.wikipedia.org/wiki/Ball_valve

   A ball valve is a flow control device which uses a hollow, perforated, and pivoting ball to control fluid flowing through it. It is open when the hole through the middle of the ball is in line with the flow inlet, and closed when it is pivoted 90 degrees by the valve handle, blocking the flow. [ 1] The handle lies flat in alignment with the ...

4. Check valve - Wikipedia

   en.wikipedia.org/wiki/Check_valve

   A check valve, non-return valve, reflux valve, retention valve, foot valve, or one-way valve is a valve that normally allows fluid (liquid or gas) to flow through it in only one direction. [ 1 ] Check valves are two-port valves, meaning they have two openings in the body, one for fluid to enter and the other for fluid to leave.

5. How Kamala Harris decided on her running mate, Tim Walz - AOL

   www.aol.com/harris-decided-her-running-mate...

   August 6, 2024 at 8:56 PM. Vice President Kamala Harris spent this past weekend interviewing the top contenders on her VP shortlist, meeting in person at her Washington, D.C. home with Govs. Tim ...

6. Terence Crawford becomes 4-division champion by defeating ...

   www.aol.com/news/terence-crawford-becomes-4...

   Terence Crawford, the consensus best pound-for-pound boxer in the world, defeated Israil Madrimov by unanimous decision on Saturday night to become a four-division champion. Crawford won the WBA ...

7. Diaphragm valve - Wikipedia

   en.wikipedia.org/wiki/Diaphragm_valve

   While diaphragm valves usually come in two-port forms (2/2-way diaphragm valve), they can also come with three ports (3/2-way diaphragm valves also called T-valves) and more (so called block-valves). When more than three ports are included, they generally require more than one diaphragm seat; however, special dual actuators can handle more ...