Hot Tap Welding Procedure

Hot Tap Welding Procedure. Hot tapping procedures The procedure shall indicate the general information about the activities including the angle of tap machine operation procedure etc Welding procedures The welding procedure is a critical document showing the type of welding type of electrodes to use for welding welding current requirements for preheating.

Hot tapping a pipeline consists of two primary phases The process in which the hot tapping machine is attached to the piping system This may be done by bolting clamping brazing or welding a hot tap saddle Mechanically cutting a hole into the pipeline wall This may be done with a specialized hot tapping hole saw.

Hot Tap International Mechanical & Welding Ontario

PDF fileDOCUMENT NAME HOT WORK PROCEDURE SP #1 PAGE 3 of 15 ` Hot Tap The technique of attaching a welded branch fitting to piping or equipment as it remains in service and then creating an opening in that piping or equipment by drilling or cutting a portion of the piping or equipment within the attached fitting Hot.

Hot Tapping Strategies & Effective Practices to Manage

As all pipeline engineers know hottapping or welding onto inservice pipelines is an essential but highrisk operation The key concerns are worker safety and the ongoing integrity of pipelines after welding is complete Hydrocarbons in the pipe can escape or ignite during the procedure injuring welders.

Review Date: 12/15/2017 W estlake Vinyls HOT TAP PROCEDURE

The hot tap procedure involves attaching a branch connection and valve on the outside of an operating pipeline and then cutting out the pipeline wall within the branch and removing the wall section through the valve In general hot taps are done in piping system But it can also be done on pressure vessels and storage tanks to add nozzles.