Fuel Cell Vent Line Routing

An na 9 set up will have a sealed gas cap and the three vent lines in the tank body.

Fuel cell vent line routing.

It should be routed up and then down outside the car. Without some way to vent on filling fuel cells fill super slow. I don t really understand the hows and whys of the vent line vs. One an fitting in the top is for a return line if your fuel pump has one.

Always run a high quality fuel filter. Fuel cell safety foam frequently asked questions. 4 2 out of 5 stars 18. The other one is for the vent.

A return line is present on some models and will go through the sending unit. Free shipping on your first order shipped by amazon. Get it as soon as wed sep 16. I always coil up the vent line and make a loop kind of like a trap to keep anything from sloshing out too easilly if it could would happen.

Run it to to right rear corner under the car and make sure the end of the vent line points down and is in the air stream. The rollover vent with breather screen on top of the fuel cell. The normal forward fuel line routing on a many cars is like this. Automotive 15 99 15.

Fuel cell vent roll over valve 6an male flare fuel rail line rollover tip valve hose fitting adapter an6 aluminum. Fuel cells with the filler right on the tank don t have this problem because they work like the 60 s cars air just exits the filler because it s. Works okay until the headers bake the fuel. Also the vent line cannot have a dip in it where fuel or condensation can get trapped in the line.

Also you do have a one way valve in the vent line and you ve built a complete air tight metal cover over the fuel cell and lines separating them from the passenger compartment right. 49 state unit has a fuel feed line from sender and a vented cap. Unfortunately this hole would allow the fuel to splash out when accelerating or turning a corner. Fuel cell vents rollover valves your fuel cell must be able to take in air to allow the fuel to be drawn out but you also need to keep the fuel in the cell if the car has rolled over.

An important purpose or function of the safety foam in a fuel cell is to stop a flame front from advancing therefore helping to. Jaz an 8 fuel cell tip over breather valve. Plenty of stories of fuel cell street cars that are a pita to fill must be parked at an angle etc all from not having good venting. Do i need a fuel vent line to be run from my fuel cell or can i simply install a rollover vent with a breather screen.

If you are running a vent line it is important that the line is ran higher than the highest point on the tank including the fuel filler neck. Fuel cells are not street legal or d o t. One 49 state tank and one ca emissions tank na 9. I have installed a jaz fuel cell for my experimental aircraft.

The fuel line runs alongside the engine. A vented fuel cap is not a sufficient standalone vent for the fuel cell.