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  2. Propane, butane, and LPG container valve connections

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

    Several types of valve connections for propane, butane, and LPG containers exist for transport and storage, sometimes with overlapping usage and applications, and there are major differences in usage between different countries. Even within a single country more than one type can be in use for a specific application.

  3. Swagelok - Wikipedia

    en.wikipedia.org/wiki/Swagelok

    Swagelok Company is a $2 billion privately held developer of fluid system products, assemblies, and services for the oil and gas, chemical and petrochemical, [2] semiconductor, and transportation industries.

  4. Grinnell Mechanical Products - Wikipedia

    en.wikipedia.org/wiki/Grinnell_Mechanical_Products

    The company specialized in gas main installations, putting in the original gas mains in Rhode Island. They eventually grew to offer pipe fitting and plumbing services. In 1869, Frederick Grinnell, a Massachusetts-born engineer, purchased a controlling interest in Providence Steam and Gas and became its president. Fire protection was a new ...

  5. Valve - Wikipedia

    en.wikipedia.org/wiki/Valve

    Schematic 3 way ball valve: L-shaped ball right, T-shaped left. Valves with three ports serve many different functions. A few of the possibilities are listed here. Three-way ball valves come with T- or L-shaped fluid passageways inside the rotor. The T valve might be used to permit connection of one inlet to either or both outlets or connection ...

  6. List of valves - Wikipedia

    en.wikipedia.org/wiki/List_of_valves

    Leaf valve: one-way valve consisting of a diagonal obstruction with an opening covered by a hinged flap; Line blind valve: a thin sheet oriented perpendicular to the pipe. The sheet has a solid end and a flow-through end; sliding it from one position to the other opens or stops the flow. Also called sliding blind valve

  7. POL valve - Wikipedia

    en.wikipedia.org/wiki/POL_valve

    POL valve on a 45 kg LPG cylinder Male fitting to match POL valve A POL valve (originally for Prest-O-Lite) is a gas connection fitting used on liquefied petroleum gas (LPG) cylinders. The oldest standard for such connections, it was developed by the Prest-O-Lite company, hence the name. [ 1 ]