The globe valve is named after its shape. Its body has an interior partition, and the valve inlet and outlet centers are inline. This configuration forces a change in the direction of flow in the form of an S. A Globe valve is a device for regulating flow in a pipeline, consisting of a movable disk-type element and a stationary ring seat in a generally sp...

Check valves, also referred to as “non-return” or “one-way directional” valves, are very simple devices that allow fluid, air or gas to flow in only one direction. Check valves work automatically and most are not controlled by a person or any external control; accordingly, most do not have any valve handle or stem. They are operate...

Have you ever used an industrial air hammer? Have you checked on your automotive starter system at one point or another? Have you ever seen an electric bell assembly? If you answer yes to any of these questions, then you probably know what a solenoid valve is. During the 1970s, the chemical industry primarily utilized linear control valves that emplo...

Suppliers reported big project wins in the oil & gas, refining, and petrochemical industries in the first quarter of 2008. Though the North American and European markets have slowed somewhat, suppliers are relatively immune, thanks to increased demand in developing markets, such as China, India, and the Middle East. Worldwide growth of energy producti...

Ball Valve history does not go back to ancient Greece or the American Revolution? The modern ball vale was invented in 1967 or about 1957 according to different sources. The first sphereical ball-type valve was patented in 1987 by John Warren and assigned jointly to John Chapman, the founder of Chapman Valve Co, this was an brass valve-brass and brass sea...

There are three valve-related accidents have taken place in the past month. Valve in oxygen cylinder the culprit in 747 explosion In July 29, 2008, a valve from an oxygen cylinder blasted a hole at least 20 centimeters in diameter in the floor of the passenger cabin of the Qantas 747 stricken in mid-air emergency. On QF30, the 346 passengers and 19 c...

              Recently a report about the EU market for iron and steel valve casting was issued. This CBI market survey for iron and steel valve castings shows that EU demand for valves is expected to grow by 3-4% per year in the period 2007-2009. Both the water and sewerage industries and t...

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        A 200-inch butterfly valve was successfully manufactured by German companies ROPO. It is not only the largest butterfly valve in Germany, maybe also the largest butterfly valve in the world.                  In fact as early as ...

        With the advent of Beijing Olympic Games “the National Stadium” attract the world’s attention. As such a large stadium how to make full use of water resources is particularly important.                    ...