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The Sprengel pump is a vacuum pump that uses drops of mercury falling through a small-bore capillary tube to trap air from the system to be evacuated. [Note 1] It was invented by Hanover -born chemist Hermann Sprengel in 1865 while he was working in London. [3] The pump created the highest vacuum achievable at that time, less than 1 μPa ...
Nipple. In plumbing and piping, a nipple is a fitting, consisting of a short piece of pipe, usually provided with a male pipe thread at each end, for connecting two other fittings. The length of the nipple is usually specified by the overall length with thread. It may have a hexagonal section in the center for a wrench to grasp (sometimes ...
Output. The Roots blower is a positive displacement lobe pump which operates by pumping a fluid with a pair of meshing lobes resembling a set of stretched gears. Fluid is trapped in pockets surrounding the lobes and carried from the intake side to the exhaust. The Roots blower design does not incorporate any reduction in volume/increase in ...
Peristaltic pump in motion. A peristaltic pump, also commonly known as a roller pump, is a type of positive displacement pump used for pumping a variety of fluids. The fluid is contained in a flexible tube fitted inside a circular pump casing. Most peristaltic pumps work through rotary motion, though linear peristaltic pumps have also been made.
Delightfully enough, MLB’s newest All-Star event, officially dubbed the MLB Futures Skills Showcase, is largely inspired by that decades-old blast of nostalgia, according to an MLB employee who ...
The gas-powered 2025 Escalade will continue to be powered by two 6.2-liter V-8 engines, including a supercharged V-Series performance model capable of 682 horsepower and 653 foot-pounds of torque.
August 10, 2024 at 12:00 PM. Image via Guillermo Spelucin R/Shutterstock. One of the most rewarding feelings in life is rescuing a stray and giving them the life they deserve. Madeline the cat ...
Pipe fittings: 1) Copper (solder); 2) Iron or brass (threaded); 3) Brass (compression); 4) Brass (compression to solder); 5) Brass adapters. PVC fittings. A fitting or adapter is used in pipe systems to connect sections of pipe (designated by nominal size, with greater tolerances of variance) or tube (designated by actual size, with lower ...