Sigmaflex has fully equipped facilities for designing and manufacturing of single ply or multiply Piping Bellows Expansion Joints, Square and Rectangular Ducting Bellows, Soft Instrumentation Bellows and S/S Flexible Hose assemblies. Our line includes wide variety of types, sizes and configuration which are used in literally thousands of applications. Types of Bellows Manufactured: Single, Double, Universal, Hinged, Gimble, & Pressure Balanced Expansion Joints.