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Double check valve. A double check valve or double check assembly (DCA) is a backflow prevention device designed to protect water supplies from contamination. [ 1] It is different from the two-way check valves (sometimes erroneously referred to as double check valves) used in air brake systems on heavy trucks which select from the highest ...
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 ...
A check valve, non-return valve, reflux valve, retention valve, foot valve, or one-way valve is a valve that normally allows fluid (liquid or gas) to flow through it in only one direction. [1] Check valves are two-port valves, meaning they have two openings in the body, one for fluid to enter and the other for fluid to leave. There are various ...
On the Giants' second series, Jones threw one of the worst interceptions you'll see, preseason or regular season. Jones was under pressure, about to take a sack and safety when he threw blindly to ...
Tesla is recalling more than 1.8 million vehicles because of a hood issue that could increase the risk of a crash. Billionaire Elon Musk's Tesla is recalling some 2021-2024 Model 3, Model S, Model ...
July 30, 2024 at 7:16 AM. (Reuters) - Tesla is recalling over 1.8 million vehicles in the United States due to risk of software failure to detect an unlatched hood, the national auto safety ...
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The straight-five engine (also referred to as an inline-five engine; abbreviated I5 or L5) is a piston engine with five cylinders mounted in a straight line along the crankshaft . Although less common than straight-four engines and straight-six engines, straight-five engine designs have been used by automobile manufacturers since the late 1930s ...