Metal Bellows Expansion Joints
Custom-engineered single- and dual-bellows designs made from 18-8 stainless steel alloy 321 as well as special alloys including Monel, Inconel, and Hastelloy. Options include PTFE-lined, universally-tied, in-line pressure-balanced, externally-pressurized, Gimbal, and hinged, among other configurations. With a wide range of metals, Kadant Unaflex metal bellows expansion joints can be designed to operate up to 300 psi and with temperatures up to 1500 F in sizes from 2” up to 144”.
Produced from fully-annealed stainless-steel sheet, rolled and seam welded
Standard fittings include weld ends, fixed and floating plate flanges, and raised face slip-on flanges
Two-ply and multi-ply bellows available in various materials
Standard configurations for quick-ship availability
Simple retrofit into existing piping system
Cost-effective solution to compensate for movement in piping systems
Have an application that requires a specialized solution? Kadant Unaflex focuses on making the best solution possible with quick turnaround. We are ready to engineer your custom-designed expansion joint to fit your application.