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A jockey pump, also known as a pressure-maintenance pump, is a small pump connected to a fire suppression system near the fire pump and is intended to maintain pressure in a fire protection piping system. These pumps recover pressures lost from gradual, slow pressure declines in a system due to temperature changes, trapped air escapement, or ...
Submersible pumps are mounted on two vertical guide rails and seal onto a permanently fixed "duckfoot", which forms both a mount and also a vertical bend for the discharge pipe. For maintenance or replacement, submersible pumps are raised by a chain off of the duckfoot and up the two guide rails to the maintenance (normally ground) level.
5-inch (13 cm) flex suction hose with Storz fittings, mounted on an engine. Flexible suction hose (Flex suction or suction hose), not to be confused with hard suction hose in U.S., is a specific type of fire hose used in drafting operations, when a fire engine uses a vacuum to draw water from a portable water tank, pool, or other static water source.
These thermostatically controlled pumps often have a built-in "normally closed" check-valve which prevents water in the cold water line from entering into the hot water line. Compared to a dedicated return line, using the cold water line as a return has the disadvantage of heating the cold water pipe (and the contained water).
Niners quarterback Joshua Dobbs ran 6 yards to set the 49ers up with second-and-goal at the Arizona 2-yard line. Jennings put a block on Murphy-Bunting that Murphy-Bunting did not appreciate.
Felix Octavius Carr Darley (June 23, 1822 – March 27, 1888), often credited as F. O. C. Darley, was an American illustrator, known for his illustrations in works by well-known 19th-century authors, including James Fenimore Cooper, Charles Dickens, Mary Mapes Dodge, Nathaniel Hawthorne, Washington Irving, George Lippard, Henry Wadsworth Longfellow, Donald Grant Mitchell, Clement Clarke Moore ...
The strike is a challenge to Amazon's operations as it races to fulfill orders during its busiest season of the year, although union-represented facilities represent only about 1% of Amazon's ...
Sabrina Carpenter has an NSFW New Year's resolution.. On Jan. 2, the "Espresso" singer shared her goal for 2025 on Instagram — and it looks like she already broke it. "new year’s resolution no ...
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