|Equipped with 1-3/4" Acme filling connection and 3/4" NPT container thread. It has a high filling capacity and a one piece body. This valve is used primarily for filling ASME engine fuel containers or portable DOT cylinders. Filling rate is approximately 20 GPM with a 10 pound differential. Valve comes with a cap with a plastic retaining strap. This is the most common fill valve.