For over 100 years, Flex-Weld Incorporated and KEFLEX™, a division of Kelco Industries, has manufactured high-quality flexible metal hose, bellows, expansion joints, and other flexible engineered components at our facilities in North America. Our products are available in a wide variety of material types, sizes, and configurations and are used to isolate vibration, control axial and lateral motion, and compensate for thermal pipe expansion and contraction.