The Dually™ Double Block & Bleed Line Stop System from WeldFit delivers a more reliable way to safely perform double block and bleed (DBB) line isolation projects on gas and liquid pipelines. Its compact, patent-pending, single pivoting head with dual seals ensures reliable entry and removal.

Committed to creating safe work zones for pipeline repair, modification, and maintenance, WeldFit knows firsthand that line intervention and isolation success depends on highly trained technicians and innovative, reliable equipment. Our technicians stand ready to deploy Dually’s state-of-the-art technology on your next pipeline isolation project.