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Dry running protection, also known as dry-run protection or dry-running protection, is a type of protection mechanism to prevent a rotor, pump or stirrer shaft from operating without any medium added, as the bearing and shaft seal might be damaged if the motor is run while dry. [1]
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 ...
Protectors: 1-20 1992 1994 Chief title of the universe. Protectors Handbook: 1 1992 One-shot Handbook, presenting the Protectors. Rocket Ranger: 1-5 1991 1992 Limited series about the video game character developed and published by Cinemaware. Published by the Adventure Imprint. The grandson of the original Rocket Ranger appears in Man of War #6-8.
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