granatan 275 330 gallon ibc tote water tank valve adapter 2" female buttress coarse thread x 2" male npt pipe thread easy connect heavy duty food grade ibc tank fittings connector with gasket granatan <p><strong>connector types on both sides of the adapter</strong></p> <ul> <li>one side: s60 x 6 buttress thread. 60.0mm (2.36 ") outside diameter and 6.00mm (0.24") thread pitch (distance between threads) to din standard 6131. this is the most common thread found on european ibc's.</li> <li>second side: 2 "male npt pipe thread for 2" pipe (0.09 "- 11.5 tpi) - american national standard straight pipe thread.</li> </ul>