Metal Flex? manufactures edge welded bellows from 0.200" I.D. through 14.000" O.D., with many sizes in between. With our machine shop on site, we are able to manufacture everything from the simple tube or conflat job to the most complex flange assembly, in a timely manner with the highest quality standards. All welding at Metal Flex? is performed in a clean, controlled atmosphere using both TIG and pulse TIG processes. Our products are welded using a fusion process with no filler materials added. All welds and finished assemblies are leak tested on Helium Mass Spectrometers and certified to 1 x 10 -9 STD. CC/SEC. He. (-10 and -11 certification is available upon request). ISO 9001:2000, ITAR and HUBZone compliant.