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  2. Barber–Colman Company - Wikipedia

    en.wikipedia.org/wiki/Barber–Colman_Company

    The machine tool division was sold to fellow Rockford company Bourn & Koch, who provides parts, service, and support for their machines to this day. Barber–Colman henceforth focused on cutting tools and process controls. The remaining divisions were eventually sold off. The Barber–Colman trademark is held by Eurotherm Controls, Inc.

  3. Duct leakage testing - Wikipedia

    en.wikipedia.org/wiki/Duct_leakage_testing

    Duct leakage test in the US. A duct leakage tester is a diagnostic tool designed to measure the airtightness of forced air heating, ventilating and air-conditioning (HVAC) ductwork. A duct leakage tester consists of a calibrated fan for measuring an air flow rate and a pressure sensing device to measure the pressure created by the fan flow.

  4. Siebe plc - Wikipedia

    en.wikipedia.org/wiki/Siebe_plc

    1987: Siebe plc acquires the Barber-Colman Company, an industrial automation and controls business. 1990: Siebe plc acquires the Foxboro Company, another industrial automation business. [2] [3] 1994: Siebe plc bought Triconex, a safety control business. [2] 1997: Siebe plc acquired APV plc.

  5. Pirani gauge - Wikipedia

    en.wikipedia.org/wiki/Pirani_gauge

    A heated metal wire (sensor wire, or simply sensor) suspended in a gas will lose heat to the gas as its molecules collide with the wire and remove heat. If the gas pressure is reduced, the number of molecules present will fall proportionately and the wire will lose heat more slowly. Measuring the heat loss is an indirect indication of pressure.

  6. Barcol hardness test - Wikipedia

    en.wikipedia.org/wiki/Barcol_hardness_test

    Originally called the Barber-Colman Impressor, the Barcol impressor was developed by Walter Colman as a hand-held, portable means of assessing the hardness of a material during World War II. [2]

  7. 5 Discontinued Southern Foods We Wish We Could Still Buy At ...

    www.aol.com/5-discontinued-southern-foods-wish...

    Barber's Original French Onion Party Dip "Potato chips haven't been the same since Barber's Original French Onion Party Dip made its departure from the dairy aisle," says Senior Homes and Features ...

  8. Diffuser (thermodynamics) - Wikipedia

    en.wikipedia.org/wiki/Diffuser_(thermodynamics)

    A diffuser is "a device for reducing the velocity and increasing the static pressure of a fluid passing through a system”. [1] The fluid's static pressure rise as it passes through a duct is commonly referred to as pressure recovery. In contrast, a nozzle is used to increase the discharge velocity and lower the pressure of a fluid passing ...

  9. Ductwork airtightness - Wikipedia

    en.wikipedia.org/wiki/Ductwork_airtightness

    There are two major systems to classify ductwork airtightness, one based on European standards, the other based on ASHRAE standard 90.1-2010.Both are based on the leakage airflow rate at a given ductwork pressure divided by the product of the ductwork surface area and the same ductwork pressure raised to the power 0.65.

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