About bellows globe valves
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I have recently started working with bellows globe valves, and I have some questions; I hope I can get help from everyone. 1. What are the common structures of bellows globe valves? What are the advantages and disadvantages of each? 2. What are some good manufacturers of bellows? Is there a contact method? 3. What are the requirements for bellows? Number of uses? Material? 4. Besides Shenyang HuiBo, what are some other good manufacturers? 5. Some manufacturers claim that the bellows used are imported ones; does anyone know which manufacturer it is? Could you provide relevant information? I’m new to this forum and am here to learn from everyone*.
There are now many manufacturers in China capable of producing bellows globe valves; some of the better ones include Neway and Anhui Tunxi High Pressure. The best in the world are certainly Descote from France, part of the Tyco group; there are also PHONIX and W.T.A from Germany, and SHAW from the UK. As for bellows, those made by WITZENMANN from Germany are most commonly used, and they are usually double-layered.