Black Tank Valve Replacement
It seems every 2 years I need to replace the valve on the black tank because it become very difficult to pull. What am I doing wrong that causes this to happen?
Forum Discussion
Buna-N is another name for nitrile rubber.
https://www.applerubber.com/hot-topics-for-engineers/understanding-the-composition-of-a-nitrile-buna-n-rubber-compound/
https://www.applerubber.com/hot-topics-for-engineers/understanding-the-composition-of-a-nitrile-buna-n-rubber-compound/
