Here are a few pictures of Duke Products
line of backflow device test gages.
The Duke 226A-BFT
Front view of the Duke 226A-BFT. This gage can test
all backflow devices. It is very responsive and is very accurate.
Side view
Close up view of the dial
Duke Products
P.O. Box 16007
Irvine, CA 92623
(949) 581-7200