Profile: Sigmaflex Engineering Pvt. Ltd reduces stresses in the pipe or force at the anchors, to accommodate the strains of thermal growth in a restricted space. We are a fully equipped facilities for the design of piping bellows expansion joints, square & rectangular ducting bellows, soft instrumentation bellows and S/S Flexible Hose assemblies. Single, double expansion joints, universal, hinged, gimbal and pressure balanced expansion joints are designed on computers to ensure maximum cycle life.