Long angle multiple nozzles blasting for pipe size between diameters from 12” to 30”. Such arrangement can adapt to any nozzle size. Typically multiple pieces of size 6 nozzles.
The pipe finishes appear clearly in spirally mark in rotated blasting.
An alternative tool available is a motorized air motor type variable speed rotator nozzles blasting method. Suitable for mounting of 2 size 5 nozzles
Inquiry - Middle Internal Air Blast