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Sorry for my enthusiasm, they have just completed alot of high profile work for our company. I agree that reducing pressure only reduces hoop stress, which is my point often people reduce line pressure thinking that they are reducing the chance of burn through and are in some instances making...

Reducing pressure for hot tapping has been often a misleading attempt at preventing burn through situations. Internal surface temperature and welding techniques are the predominant factors. As well the type of fitting you are using is an important for long term integrity of your pipe. There...