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  2. Victor Farris - Wikipedia

    en.wikipedia.org/wiki/Victor_Farris

    Victor Farris (January 29, 1910 – March 7, 1985 [1]) was an American inventor and businessman. [2] While some sources say he invented the paper milk carton, no patent was ever filed under his name. [ 2 ] [ 3 ]

  3. Relief valve - Wikipedia

    en.wikipedia.org/wiki/Relief_valve

    A relief valve DN25 on cooling water pipe from heat exchanger Schematic diagram of a conventional spring-loaded pressure relief valve. A relief valve or pressure relief valve (PRV) is a type of safety valve used to control or limit the pressure in a system; excessive pressure might otherwise build up and create a process upset, instrument or equipment failure, explosion, or fire.

  4. Pilot-operated relief valve - Wikipedia

    en.wikipedia.org/wiki/Pilot-operated_relief_valve

    At set pressure the valve snaps to full lift. This can be quite violent on large pipes with significant pressure. The pressure has to drop below the set pressure in order for the piston to reseat (see blowdown in relief valve article). Modulating The pilot is designed to open gradually, so that less of the system fluid is lost during each ...

  5. List of valves - Wikipedia

    en.wikipedia.org/wiki/List_of_valves

    Tap (British English), faucet (American English): the common name for a valve used in homes to regulate water flow; Tesla valve: a form of check valve with no moving parts, invented by Nikola Tesla for use with fluids; Thermally operated valves: Thermal expansion valve, used in refrigeration and air conditioning systems; Thermostatic mixing valve

  6. Flowserve - Wikipedia

    en.wikipedia.org/wiki/Flowserve

    The Flowserve Corporation is an American multinational corporation and one of the largest suppliers of industrial and environmental machinery such as pumps, valves, end face mechanical seals, automation, and services to the power, oil, gas, chemical and other industries. [5]

  7. Isolation valve - Wikipedia

    en.wikipedia.org/wiki/Isolation_valve

    An isolation valve is a valve in a fluid handling system that stops the flow of process media to a given location, usually for maintenance or safety purposes. [1] They can also be used to provide flow logic (selecting one flow path versus another), and to connect external equipment to a system. [2]

  8. Automatic bleeding valve - Wikipedia

    en.wikipedia.org/wiki/Automatic_bleeding_valve

    Brass-bodied float valve. An automatic bleeding valve or air release valve (ARV) is a plumbing valve used to automatically release trapped air from a heating system. Air, or other gas, may collect within plumbing. For water delivery systems to taps and basins, particularly with good main supply pressure, this air is usually flushed through with ...

  9. Adjustable pressure-limiting valve - Wikipedia

    en.wikipedia.org/wiki/Adjustable_pressure...

    An adjustable pressure-limiting valve (commonly abbreviated to APL valve, and also referred to as an expiratory valve, relief valve or spill valve) is a type of flow control valve used in anaesthesiology as part of a breathing system. It allows excess fresh gas flow and exhaled gases to leave the system while preventing ambient air from entering.

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