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Pumps that are used solely for closed hydronic systems can be made with cast iron components as the water in the loop will either become de-oxygenated or be treated with chemicals to inhibit corrosion. But pumps that have a steady stream of oxygenated, potable water flowing through them must be made of more expensive materials such as bronze.
Pulsometer steam pump (drawing in a 1913 book) Chart showing pressure inside pulsometer pump Pulsometer pump at the London Museum of Water & Steam The Pulsometer steam pump is a pistonless pump which was patented in 1872 [2] by American Charles Henry Hall.
A chain pump is a type of water pump that uses a chain to move water from one place to another. It works on the principle of a continuous loop of chain moving through a series of sprockets, with attached buckets that lift water as the chain passes over the top sprocket and discharge it as the chain reaches the bottom.
The Machine de Marly (French pronunciation: [maʃin də maʁli]), also known as the Marly Machine or the Machine of Marly, was a large hydraulic system in Yvelines, France, built in 1684 to pump water from the river Seine and deliver it to the Palace of Versailles. [1] King Louis XIV needed a large water supply for his fountains at Versailles.
The installation now is cast iron, the headraces and water boxes are made of copper, the pumping rods are wrought iron and the cylinders are brass with a diameter of 29 cm and a stroke length of 55 cm. As in the other pumping installations, the pistons have leather envelopes which are kept wet by small water pipes.
The 85-year-old Duriron Corporation lost its name and identity as a Dayton company in July 1997 when Flowserve Corporation was formed by the merger of the $605 million revenue Duriron and the $540 million revenue BW/IP of Long Beach, California, a producer of pumps and mechanical seals for the petroleum, power, and water industries. The new ...