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ISG pump bellows mechanical seal failure analysis and maintenance of common

“Competition between bellows and diaphragm valves” has been in the aseptic process industry for a long time. For a long time, diaphragm valves have taken advantage of their simple structure, low price and convenient cleaning and disinfection. Compared to diaphragm valves, bellows valves are too few in the market. Today, the Vesta bellows valve produced …

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Valve industry status quo and development trend

  In the sterile field of process industry, “bellows the competition between the valve and diaphragm,” a long time. For a long time, diaphragm its structure is simple, inexpensive, and easy to clean and disinfect and took advantage. Compared with the diaphragm, bellows valves in different specifications on the market too. Today, Tuchenhagen production Vesta …

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The types of metal bellows

Here are three main types of metal bellows – formed, welded and electroformed. Formed bellows are produced by reworking tubes, normally produced by deep drawing, with a variety of processes, including cold forming (rolling), and hydroforming. They are also called convoluted bellows or sylphons. Welded bellows (also called edge-welded, or diaphragm bellows) are manufactured by …

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