Any type of fueling process is dangerous and has the potential for disaster. This is true for dump cans, utility jugs, dry break systems, etcetera.
We are big supporters of dry break systems whether they are used on dump cans or tower systems. We offer complete systems, towers, and dump cans (
http://www.racerxms.com/fuel-cells.html). Even though we offer the dry break components at very competitive prices, they are still a significant investment.
As for fueling without dry break components, we only like to see fueling where the hose goes over the filler neck and against a splash shield. You can have an external bead rolled onto the filler neck to aid in sealing the hose onto the filler neck. The benefit to this is that when the fuel begins to gurgle through the fuel cell vent, instead of pulling back the dump can or fuel source hastily, risking splashed fuel from the filler, you can patiently wait until you are sure that the cell is full while the vent fills. Then you can lower the dump can or fuel source safely and pull back without having the risk of fuel spray and vapor everywhere. The worst that will happen is that you may have some excess fuel go out through the vent line as opposed to on your crew or drivers.
In addition, regardless of your fueling source, make sure that your fuel cell has at least a 1” vent with hose properly and safely routed to prevent spillage during a rollover in case the check valve does not work properly. Venting the fuel cell is very important in keeping the flow of fuel travelling quickly and efficiently into your vehicle.
For those of you interested in converting to dry break systems or talk about ways of improving your existing systems for safety and speed, please feel free to call me to discuss your options. There are several internal and external modifications that need to occur in order for you to capitalize in the efficiencies and speed of dry break components.
Best regards,
Mike Cohen
Racer X Motorsports, Inc.
619-258-RACE (7223)
mike@RacerXms.com