Direct Fill A method of filling a tank where the delivery hose from the tanker vehicle is connected directly into the fill opening of an individual tank. See also Remote fill, PEI/RP600. By tavo|2014-10-01T19:52:47+00:00October 1st, 2014|Comments Off on Direct Fill Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInWhatsAppTumblrPinterestVkXingEmail About the Author: tavo