ISO Caliper Flange is a standard vacuum-pipeline connector range from ISO63 to ISO630, made from SS304/304L/316/316L stainless steel. Featuring clamp-type quick connection and high-to-ultra-high vacuum compatibility, it delivers precise dimensional tolerances, excellent sealing, corrosion resistance, and easy interchangeability for semiconductor, vacuum coating, scientific research equipment, analytical instruments, accelerators, and synchrotron facilities.