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  2. Gas lift - Wikipedia

    en.wikipedia.org/wiki/Gas_lift

    The gas-lift mandrel is a device installed in the tubing string of a gas-lift well onto which or into which a gas-lift valve is fitted. There are two common types of mandrels. In a conventional gas-lift mandrel, a gas-lift valve is installed as the tubing is placed in the well. Thus, to replace or repair the valve, the tubing string must be pulled.

  3. Consolidated Safety-Valve Co. v. Crosby Steam Gauge & Valve ...

    en.wikipedia.org/wiki/Consolidated_Safety-Valve...

    The direction given in the patent that the flange or lip is to be separated from the valve seat by about one sixty-fourth of an inch for an ordinary spring, with less space for a strong spring and more space for a weak spring, to regulate the escape of steam as required, is a sufficient description as matter of law, and it is not shown to be insufficient as a matter of fact.

  4. List of steam technology patents - Wikipedia

    en.wikipedia.org/wiki/List_of_steam_technology...

    GB 190006487 (A), 1901, An improvement in starting valves for compound steam engines GB 190022906 (A) , 1901, Improvements in valves for use in compound locomotives and other compound engines GB 190504645 (A) , 1905, Improvements relating to the working of compound engines and in regulator valves therefor

  5. Downhole safety valve - Wikipedia

    en.wikipedia.org/wiki/Downhole_safety_valve

    This means that they are installed as a component of the completion string and run in during completion. Retrieving the valve, should it malfunction, requires a workover. The full name for this most common type of downhole safety valve is a Tubing Retrievable Surface Controlled Sub-Surface Valve, shortened in completion diagrams to TRSCSSV.

  6. Propane, butane, and LPG container valve connections

    en.wikipedia.org/wiki/Propane,_butane,_and_LPG...

    A DIN standard for gas cylinder valves for test pressures up to 300 bar (4,400 psi). EN 15202 [9] A European standard for LPG equipment and accessories, specifying LPG cylinder valve connections. [10] EN 417: European norm specification concerning non-refillable metallic cartridges for liquefied petroleum gases.

  7. Baker valve gear - Wikipedia

    en.wikipedia.org/wiki/Baker_valve_gear

    The Baker valve gear replaces the expansion link of the Walschaerts gear with an assembly of levers and links which produces the same effect of allowing continuous variation valve travel. The remainder of the gear is the same, so that the return crank and combination lever take the same form, although the proportions are usually modified.

  8. 5-plus feet of snow and counting: More snow is coming to the ...

    www.aol.com/5-plus-feet-snow-counting-163346944.html

    Parts of the county, which sits on Lake Erie, recorded about 40 inches of snowfall through Sunday night. About two feet of heavy snow also buried Orchard Park, New York, where the Buffalo Bills ...

  9. MultiAir - Wikipedia

    en.wikipedia.org/wiki/MultiAir

    The solenoid valve regulates the amount of oil pumped by the cam action to either the valve or a bypass reservoir. When pressurized, the hydraulic line behaves like a solid body and transmits the lift schedule imparted by the intake cam directly to the intake valve. When the solenoid is disengaged, a spring takes over valve actuation duties.

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