There are a number of UL Listed branch outlet fittings (also called mechanical tees) on the market. These include a threaded outlet fitting connected to a "U"-bolt. These can be used in lieu of weldolets or other types of branch outlet fittings available on the market. In order to install the...
Where can I find a copy of A120-84?
More specifically, I am interested in the allowable wall thickness for pipe under the A120-84 standard. Also, the allowable tensile strength, and percentages of constituents.