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  2. Victor Farris - Wikipedia

    en.wikipedia.org/wiki/Victor_Farris

    In 1943, he founded the Farris Engineering Corporation, [4] which became the largest valve manufacturer in the world until its merger with Teledyne in 1968. [2] Later, noting that glass milk bottles were so heavy, he invented and trademarked the paper milk carton. [2] He also invented the paper clip, the Farris Safety and Relief Valve. [3]

  3. 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 ...

  4. List of valves - Wikipedia

    en.wikipedia.org/wiki/List_of_valves

    Valves can be categorized also based on their function: Check valve or non-return valve, allows the fluid to pass in one direction only; Flow control valve, to maintain and control a variable flow rate through the valve; Poppet valve, commonly used in piston engines to regulate the fuel mixture intake and exhaust; Pressure-balanced valve

  5. Category : Distribution companies of the United States

    en.wikipedia.org/wiki/Category:Distribution...

    Film distributors of the United States (28 C, 333 P) R. Retailing in the United States (9 C, 4 P) W. Wholesalers of the United States (38 P)

  6. 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.

  7. Meatpacking giants to pay $8 million for child labor violations

    www.aol.com/meatpacking-giants-pay-8-million...

    JBS USA and Perdue Farms will each pay $4 million for employing children through third-party staffing agencies, officials announced this week.

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