Small Diameter Expanding Air Shaft's diameters are from 7/16″. Its face lengths are to 150″. These are used in both lug or leaf style, in custom lengths.
Small Diameter Pipeline Scanner is lightweight and easy to handle on small diameter pipelines. It inspects pipeline diameters from 2 1/4″ (57mm) to 20″ (508mm) with a scanning speed of 100mm/sec. It comes with an integrated array transducer set and DC motor control.