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2. Chlorinated polyvinyl chloride - Wikipedia

   en.wikipedia.org/wiki/Chlorinated_polyvinyl_chloride

   CPVC sprinkler pipe inside a firestop mock-up. Chlorinated polyvinyl chloride (CPVC) is a thermoplastic produced by chlorination of polyvinyl chloride (PVC) resin. CPVC is significantly more flexible than PVC, and can also withstand higher temperatures. Uses include hot and cold water delivery pipes and industrial liquid handling.

3. Environmental control system - Wikipedia

   en.wikipedia.org/wiki/Environmental_control_system

   The primary component for the functioning of the cold air unit (CAU) is the Air Cycle Machine (ACM) cooling device. Some aircraft, including early Boeing 707 aircraft, used vapor-compression refrigeration like that used in home air conditioners. An ACM uses no Freon: the air itself is the refrigerant. The ACM is preferred over vapor cycle ...

4. Polyvinyl chloride - Wikipedia

   en.wikipedia.org/wiki/Polyvinyl_chloride

   Unit of measurement Rigid PVC Flexible PVC Density ... (CPVC), as it is called, is ... This page was last edited on 29 December 2024, ...

5. Thermoplastic - Wikipedia

   en.wikipedia.org/wiki/Thermoplastic

   This increase in elemental chlorine content contributes to CPVC's increased expression of chlorine-based characteristics, such as chemical durability, resistance to acids, bases, and salts; susceptibility to ammonia-based compounds, aromatics, esters, ketones; [9] chemical stability; heat energy transfer resistance. CPVC is commonly used in ...

6. Air-mixing plenum - Wikipedia

   en.wikipedia.org/wiki/Air-mixing_plenum

   An air handling unit used for the heating and cooling air: (1) supply air (2) fan section (3) vibration isolator (4) cooling coil (5) filter (6) mixed air duct. Air supply to a building is generally performed by an air handling unit. The process may include filtering, heating, cooling, humidification, or dehumidification, all of which consume ...

7. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

8. Brrrutal: How long will this cold last? Your winter weather ...

   www.aol.com/brrrutal-long-cold-last-winter...

   AccuWeather's Pastelok agreed with this perspective, noting that the Siberian air stayed "fresh" and cold on its journey over the top of the globe and remained cold all the way down to the ...

9. Storms and cold temperatures are descending on the US. How ...

   www.aol.com/cold-temperatures-descending-us-long...

   After a few days break, bitter Arctic cold will overspread much of the north-central U.S. Wednesday, while the East Coast sees heavy rain and thunderstorms from a potent storm. The Arctic air will ...