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  2. Isolation valve - Wikipedia

    en.wikipedia.org/wiki/Isolation_valve

    Isolation valves must effectively stop the passage of fluids. [4] Gate valves, ball valves and plug valves are generally considered to provide tight and effective shut-off. Globe valves and Butterfly valves may not be tight shut-off due to wear on the plug or the seat, or due to their design, and may not be appropriate to provide effective ...

  3. NetJets - Wikipedia

    en.wikipedia.org/wiki/NetJets

    NetJets is the largest private jet operator in the world. The data below is limited to aircraft registered on the United States operating certificate. Additional aircraft not included in this data exist within the NetJets Europe, and Executive Jet Management fleet. [54] The NetJets fleet as of 31 July 2024:

  4. Pilot-operated relief valve - Wikipedia

    en.wikipedia.org/wiki/Pilot-operated_relief_valve

    A separate actuator on the piping releases pressure in the line if it crosses a threshold. This releases the pressure on the back of the seal, causing the valve to open. The essential parts of a PORV are a pilot valve (or control pilot), a main valve, a pilot tube, the dome, a disc or piston, and a seat. The volume above the piston is called ...

  5. Berkshire Hathaway's NetJets Buys Marquis Jet - AOL

    www.aol.com/news/2010-11-04-netjets-buys-marquis...

    Under the terms of the agreement, Marquis Jet became a wholly-owned subsidiary of NetJets, which itself is owned by Warren Buffett's Berkshire Hathaway (BRK.A, BRK.B). No additional details were ...

  6. Solenoid valve - Wikipedia

    en.wikipedia.org/wiki/Solenoid_valve

    The valve can use a two-port design to regulate a flow or use a three or more port design to switch flows between ports. Multiple solenoid valves can be placed together on a manifold. Solenoid valves are the most frequently used control elements in fluidics. Their tasks are to shut off, release, dose, distribute or mix fluids.

  7. Thermostatic radiator valve - Wikipedia

    en.wikipedia.org/wiki/Thermostatic_radiator_valve

    A thermostatic radiator valve on position 2 (15–17 °C) Installed thermostatic radiator valve with the adjustment wheel removed A thermostatic radiator valve (TRV) is a self-regulating valve fitted to hot water heating system radiator, to control the temperature of a room by changing the flow of hot water to the radiator.

  8. Hot tub - Wikipedia

    en.wikipedia.org/wiki/Hot_tub

    A 5-seat hot tub with a cast acrylic shell, supported by a frame structure, showing vents for water circulation and massage Outdoor hot tubs. A hot tub is a large tub full of water used for hydrotherapy, relaxation or pleasure. Some have powerful jets for massage purposes. Hot tubs are sometimes also known as "spas" or by the trade name Jacuzzi ...

  9. Jacuzzi - Wikipedia

    en.wikipedia.org/wiki/Jacuzzi

    Jacuzzi is an American private company that manufactures and markets hot tubs, pools, and other bath products. [1] It is best known for the Jacuzzi hydrotherapy products. [2] [1] The company is headquartered in Irvine, California. It is the largest hot tub manufacturer in Europe [1] with eight factories, the largest being in Italy. [3]