The robust design of the HD series (Heavy Duty) clamshells make them ideal for large diameter heavy wall pipe machining applications in new construction, decommissioning, component replacement and fabrication projects. The series is comprised of 16 standard models covering a range of 20in (508 mm) to 86in (2184.4 mm) OD. The machines within the HD series use a patented, fully adjustable, heavy duty bearing design which provides greater serviceability and increased life.
The split frame design of the HD clamshell allows for installation of the machine at any point along a pipeline. These portable split frame machines accept a wide range of accessories to increase performance and expand capabilities. Accessories for the Hydratight clamshells include sever slides, axial feed, single point, counterbore and swivel head modules.