You've got to look at a wider picture. Air bottles are used by all sorts. I can get my bottle filled really local, up to 300 bar, But they send it to Portsmouth for testing. Ask your local fire brigade station about it, for example.
You've got to look at a wider picture. Air bottles are used by all sorts. I can get my bottle filled really local, up to 300 bar, But they send it to Portsmouth for testing. Ask your local fire brigade station about it, for example.