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2. 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 principle ...

3. Backflow prevention device - Wikipedia

   en.wikipedia.org/wiki/Backflow_prevention_device

   A backflow prevention device is used to protect potable water supplies from contamination or pollution due to backflow. In water distribution systems , water is normally maintained at a significant pressure to enable water to flow from the tap, shower, or other fixture.

4. Atmospheric vacuum breaker - Wikipedia

   en.wikipedia.org/wiki/Atmospheric_vacuum_breaker

   If the pressure in the "upstream side" is reduced to atmospheric pressure or below, the poppet valve drops and allows air to enter the system, breaking the siphon. [1] One-Inch Brass Atmospheric Vacuum Breaker mounted on PVC Pipe. These devices, since they work on atmospheric principles, cannot be installed in an enclosure containing air ...

5. Pressure vacuum breaker - Wikipedia

   en.wikipedia.org/wiki/Pressure_vacuum_breaker

   A pressure vacuum breaker (PVB) is a type of backflow prevention device, used to keep non-potable (or contaminated) water from entering the water supply. A PVB is similar to an atmospheric vacuum breaker (AVB), except that the PVB contains a spring-loaded poppet. This makes it acceptable for applications that are high hazard or where valves are ...

6. Lynda Carter Looks Wondrous as Ever in Behind-the-Scenes ...

   www.aol.com/lynda-carter-looks-wondrous-ever...

   Lynda Carter is the ultimate cover girl for the December 2024 edition of Harper's Bazaar Vietnam.. The original Wonder Woman actress, 72, sat down with model Coco Rocha for an interview with the ...

7. New address, same issues: Why John Calipari's spiraling ... - AOL

   www.aol.com/sports/address-same-issues-why-john...

   The Tigers (12-5, 1-3) built a nine-point lead of their own with less than five minutes to go, then withstood full-court pressure and a late scoring flurry from standout Arkansas freshman Boogie ...