Product Description
This is our 75mm80mm 3" BSP tank flange adaptor with a reverse thread on the locknut, it has 35mm of 3" or 75/80mm BSP thread on the end and then it has a big square reverse thread for the locknut. Our threaded tank outlets are made from glass reinforced nylon and come complete with 2 large flexible rubber washers to ensure a perfectly waterproof fit on all plastic tanks and troughs. Gaskets for corrugated tanks are only available to 50mm. You will need a 97mm hole to attach this to the tank.
