H-Tap 

· This tool is a small lightweight tool allowing under pressure drilling in confined spaces.

· Patented and Approved for use on live gas lines by the National Grid.

· The tool has four features which can all be carried out through indexing without removal of the tool.

Drilling - 7/16”

Tapping - 1/4” NPT

Inspection/Injection - controlled insertion tube allowing inspection with a borescope or injection when carrying out H-Seal or H-Ject procedures

Plug - Insertion of a suitable plug to plug the hole off prior to removal of the equipment

· Other under pressure drilling techniques are also used which allow the repacking of valve stuffing boxes/packing glands under pressure.

· The media injected to into the stuffing box/packing gland is a WRAS Approved injectable PTFE.

 

‘H-Tap in use under pressure’