Posted by tecdiver on August 13, 2002 at 11:35:49:
In Reply to: Re: "+" rating on hydro posted by Alan on August 13, 2002 at 11:19:04:
You are correct there is additional specs to add the plus rating. For example some steel cylinders that are 3000 psi with a + fill to 3300. You need further info from the manufacturer. In the case of those tanks the manufacturer does not specify.