Posted 5/30/2023 16:54 (#10249754 - in reply to #10249521) Subject: RE: Tender trailer tank vents
ND
On our tanker we run a 3 inch banjo valve with 2 90s on it to make a half circle. Open it up with a rod from the ground when filling, shut it going down the road. No mess. I'd do something similar in your situation