Posted 2/12/2024 08:13 (#10619897 - in reply to #10619122) Subject: RE: Tanker trailer vent
Leesburg, Ohio
Looks to me like the first time you have to jam on the brakes, you'll get about fifty gallons spewing out that big open fitting.
Most tankers I have seen hauling fertilizer, including ours, just has a 2" ball valve on top of the tank (not on the lid) with a hose over the side, and a rope down each side to open and close from the ground.