Welded metal Bellows are mechanical elements taking a shape of a wrinkled tube which is made by welding multiple of very thin metal foils(0.05~2mm) formed by press machine. Its elastic characteristic enables movements on axis direction, angular direction, and horizontal/vertical directions yet maintaining airtight by isolating the interior from the exterior.
Bellows is applied in Mechanical Seals, acting as not only a spring but also as a secondary seal; Preventing hang-up of dynamic secondary seal And withstand more heat.Mail me m&s&n;vekywei2m&s&n,cn