Arsen Metal Universal Tied Expansion Joints with Welding Necks deliver exceptional piping performance by effortlessly absorbing large lateral deflections while permanently containing high internal pressure thrust. Manufactured with premium-grade dual stainless steel bellows and a heavy-duty tie rod assembly, they provide a permanent, monolithic bond that eliminates mechanical joint leaks under severe thermal shifts. Available in a wide variety of pipe sizes and schedules, their pre-beveled ends ensure a fast, precise, and straightforward field welding installation.