Butterfly valves have the distinct advantage over ball valves in that they won't trap wort inside. They are the most sanitary valve you can ask for and are easy to clean in place.
These valves are a direct replacement of the butterfly valves that come on MB conical fermenters and brite tanks.
To use as a purging dry hopping accessory you will need:
2" Hop Bong Sight Glass
2" Hop Bong Cap
- 2 x 2" Tri Clamp clamps
- 2 x 2" Tri Clamp gaskets
Red PRV 1881 Cap Combo
Thread-on Ball Lock QD Cap - Plastic
- Thread-on Ball Lock QD Cap - Stainless Steel
- 2" Stainless Steel Butterfly Valve (this item)