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  2. Water heating - Wikipedia

    en.wikipedia.org/wiki/Water_heating

    An 80 US gal (300 L; 67 imp gal) electric storage tank water heater was able to have a minimum energy factor of 86% under the pre-2015 standard, while under the 2015 standard, the minimum energy factor for an 80-gallon electric storage tank water heater is now 197%, which is only possible with heat pump technology. This rating measures ...

  3. Bradford White - Wikipedia

    en.wikipedia.org/wiki/Bradford_White

    Bradford White Corporation, headquartered in Ambler, Pennsylvania, is an American-owned and employee owned, full-line manufacturer of residential and commercial and industrial products for water heating, space heating, combination heating and storage applications.

  4. Feedwater heater - Wikipedia

    en.wikipedia.org/wiki/Feedwater_heater

    A Rankine cycle with two steam turbines and a single open feedwater heater. A feedwater heater is a power plant component used to pre-heat water delivered to a steam generating boiler. [1] [2] [3] Preheating the feedwater reduces the irreversibilities involved in steam generation and therefore improves the thermodynamic efficiency of the system ...

  5. Flow measurement - Wikipedia

    en.wikipedia.org/wiki/Flow_measurement

    Because they are used for domestic water measurement, piston meters, also known as rotary piston or semi-positive displacement meters, are the most common flow measurement devices in the UK and are used for almost all meter sizes up to and including 40 mm (1 + 1 ⁄ 2 in). The piston meter operates on the principle of a piston rotating within a ...

  6. New Flyer Xcelsior - Wikipedia

    en.wikipedia.org/wiki/New_Flyer_Xcelsior

    The Xcelsior CHARGE variant (XEnn) uses the Siemens ELFA2 electric drive system with different options for battery capacity, depending on the charging speed and range required. [12] The traction motor used has an output of either 210 or 280 hp (213 or 284 PS; 157 or 209 kW) and 1,033 or 1,475 lb⋅ft (1,401 or 2,000 N⋅m; 143 or 204 kg⋅m ...

  7. GM Family II engine - Wikipedia

    en.wikipedia.org/wiki/GM_Family_II_engine

    The Family II is a straight-4 piston engine that was originally developed by Opel in the 1970s, debuting in 1981. Available in a wide range of cubic capacities ranging from 1598 to 2405 cc, it simultaneously replaced the Opel CIH and Vauxhall Slant-4 engines, and was GM Europe's core mid-sized powerplant design for much of the 1980s, and provided the basis for the later Ecotec series of ...

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