Thank you for your inquiry on the Everbilt 3/4 in. x 3/4 in. x 1/2 in. Forged Bronze Cup X Cup X FIP Tee Fitting. You are correct that the cups are 3/4 in. and the FPT is 1/2 in. If you have additional questions, you can reach a NIBCO Technical Services Advisor, M-F 8am - 5pm EST, by phone at (888) 446-4226.
Thank you for your inquiry on the max pressure rating for the 1/2 in. Forged Bronze C x C x F Tee. The answer is dependent on the water temperature range at which you will be using. To find the max pressure rating for the temperature range you will need, please refer to the "Rated Internal Working Pressure for Copper Fittings, PSI" table on page 42 of our Copper Fitting catalog located at http://www.nibco.com/Literature/. If you need further assistance, you can reach a NIBCO Technical Services Advisor, M-F 8am - 6pm EST, by phone at (888) 446-4226. Thank you!
1/2"