This J-Tube Diaphragm Cutting tool is designed and built to be easily handled by standard ROV manipulators for cutting of reinforced rubber diaphragms.

The ROV friendly tool are primarily designed with aluminum and POM material to keep low weight in water. Tool body works as a guiding frame inside the J-Tube Bellmouth. POM material are used for protection of the Bellmouth due to scrapes and damages of surface and painting. The tool is manual rotated by the ROV manipulator by rotating the center D-handle of the tool. A hydraulic motor / bearing house, shaft and modified drill bit are used to drill hole in diaphragms and mill out the pieces without damaging inside surface of the Bellmouth.