Pumps are amazing mechanical devices and an important invention. They are used to move gas or liquid from one pressure are to another pressure area. They are used in a variety of ways from providing water to providing heat to providing energy. Pumps have been around since the 3rd century and are still going strong today.
There are two main categories of pumps: positive displacement pumps and dynamic pumps. Positive displacement pumps have little leakage as they used sealed chambers to force the fluid or gas. Dynamic pumps use momentum to move the fluid or gas and the chambers are not sealed. In these two categories there are various types of pumps.
The following list explains the different types of pumps most commonly found in residential and industrial settings. These are a good representation of the many styles and models of pumps that are manufactured. Most pumps are made for a specific use and that is represented in this list as well.
Source and more info: pr-gb
Wilden Pump and Engineering LLC announced today that it has completed the acquisition of Griswold Pump Company, a manufacturer of centrifugal pumps and peripheral products based in Thomasville, Georgia. With the acquisition of Griswold, Wilden, an operating company within Dover Corporation, will have annualized sales in excess of $140 million. Griswold manufactures ANSI centrifugal pumps for use in the petroleum, petrochemical, wastewater, pulp and paper industries using a fast and flexible business model which features rapid time to market and a significant price advantage when compared to its major competitors.
Source and more info: cnn
