The wide variety of flanges are available as standard on the majority of Global Invacom Waveguide (“GIW”) products. The flanges are based on the major international flange interface specifications, and GIW also has many of the more obscure standards and customer specific flanges on record. Standard flanges are available in Brass or Aluminium and other materials on request. All flanges are manufactured to the highest quality standards and Global Invacom Waveguide Ltd. is an ISO9001:2008 approved company.