Ads
related to: drummond sprinkler pumpebay.com has been visited by 1M+ users in the past month
walmart.com has been visited by 1M+ users in the past month
Search results
Results from the WOW.Com Content Network
A jockey pump is sized for a flow less than one sprinkler in order to ensure a system pressure drop significant enough to start the main fire pump. Jockey pumps are typically small multistage centrifugal pumps, and do not have to be listed or certified for fire system application. The control equipment for jockey pumps may however carry approvals.
External access point for fire sprinkler and dry standpipe at a building in San Francisco, US Antique wet standpipe preserved at Edison and Ford Winter Estates. A standpipe or riser is a type of rigid water piping which is built into multi-story buildings in a vertical position, or into bridges in a horizontal position, to which fire hoses can be connected, allowing manual application of water ...
The screw pump is the oldest positive displacement pump. [1] The first records of a water screw, or screw pump, date back to Hellenistic Egypt before the 3rd century BC. [1] [3] The Egyptian screw, used to lift water from the Nile, was composed of tubes wound round a cylinder; as the entire unit rotates, water is lifted within the spiral tube to the higher elevation.
Two steam powered water pumps and an air compressor pre-1915. The "Marsh" portion of the company name came from Elon Marsh, an engineer at the company. In the 1930s they manufactured the TURBO pump. Today the largest pump they market is the 480 Vertical turbine pump. The company is considered a major pump manufacturer and key pump design developer.
The company was founded in Jasper, Alabama in 1935 by Heman Edward Drummond, an Alabama coal miner. [1] [2] [3] Drummond started mining on land he inherited from his family; he used mules to drag coal out of the mines. [1] When Drummond died in 1956, the company remained family-owned. [1]
It was devised in 1933 in order to provide irrigation and municipal water to much of California's Central Valley—by regulating and storing water in reservoirs in the northern half of the state (once considered water-rich but suffering water-scarce conditions more than half the year in most years), and transporting it to the water-poor San ...
Ads
related to: drummond sprinkler pumpebay.com has been visited by 1M+ users in the past month
walmart.com has been visited by 1M+ users in the past month