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  2. Zone valve - Wikipedia

    en.wikipedia.org/wiki/Zone_valve

    A zone valve is a specific type of valve used to control the flow of water or steam in a hydronic heating or cooling system.. In the interest of improving efficiency and occupant comfort, such systems are commonly divided up into multiple zones. [1]

  3. Hydronics - Wikipedia

    en.wikipedia.org/wiki/Hydronics

    In general, valves nearest to the boiler should vent the slowest, and valves furthest from the boiler should vent the fastest. [citation needed] Ideally, steam should reach each valve and close each and every valve at the same time, so that the system can work at maximal efficiency; this condition is known as a "balanced" system. [citation needed]

  4. AMT AutoMag III - Wikipedia

    en.wikipedia.org/wiki/AMT_AutoMag_III

    The AMT Automag III is a single action semi-automatic pistol made by Arcadia Machine and Tool (AMT). It was created by Harry Sanford, inventor of the original .44 AutoMag pistol . The Automag III was principally chambered for the .30 Carbine cartridge, which was originally designed for the World War II -era M1 Carbine .

  5. Reduced pressure zone device - Wikipedia

    en.wikipedia.org/wiki/Reduced_pressure_zone_device

    A reduced pressure zone device (RPZD, RPZ, or RPZ valve) is a type of backflow prevention device used to protect water supplies from contamination. RPZDs may also be known as reduced pressure principle (RP), reduced pressure principle backflow prevention devices , [ 1 ] [ 2 ] reduced pressure zone assemblies (RPZA), [ 3 ] or reduced pressure ...

  6. Aquastat - Wikipedia

    en.wikipedia.org/wiki/Aquastat

    An aquastat is a device used in hydronic heating systems for controlling water temperature. [1] [2] To prevent the boiler from firing too frequently, aquastats have a high limit temperature and a low limit.

  7. AMT AutoMag V - Wikipedia

    en.wikipedia.org/wiki/AMT_AutoMag_V

    The AMT Auto Mag V is a large single action semi-automatic pistol made by Arcadia Machine and Tool (AMT). The weapon was created by Harry Sanford, inventor of the original .44 Auto Mag pistol . Production quantity was planned to be 3000 units, numbered 0001-3000, but this goal was never reached.