Fuel Cell Vent Line Routing

The rollover vent with breather screen on top of the fuel cell.

Fuel cell vent line routing.

The fuel line runs alongside the engine. Get it as soon as wed sep 16. Fuel cells are not street legal or d o t. The other one is for the vent.

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. An na 9 set up will have a sealed gas cap and the three vent lines in the tank body. A return line is present on some models and will go through the sending unit. These one way valves allow air to flow in through the vent line under normal operation but they completely close off the vent line in the event of a rollover.

I have installed a jaz fuel cell for my experimental aircraft. An important purpose or function of the safety foam in a fuel cell is to stop a flame front from advancing therefore helping to. 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. One 49 state tank and one ca emissions tank na 9.

I don t really understand the hows and whys of the vent line vs. 4 2 out of 5 stars 18. Free shipping on your first order shipped by amazon. Unfortunately this hole would allow the fuel to splash out when accelerating or turning a corner.

Without some way to vent on filling fuel cells fill super slow. It should be routed up and then down outside the car. 49 state unit has a fuel feed line from sender and a vented cap. Always run a high quality fuel filter.

The normal forward fuel line routing on a many cars is like this. Also the vent line cannot have a dip in it where fuel or condensation can get trapped in the line. Works okay until the headers bake the fuel. It will also have a fuel vapor separator and a charcoal canister.

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. 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. 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. There is an alternative next photos.

A vented fuel cap is not a sufficient standalone vent for the fuel cell. Fuel cell vent roll over valve 6an male flare fuel rail line rollover tip valve hose fitting adapter an6 aluminum. One an fitting in the top is for a return line if your fuel pump has one. 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.

Fuel cell safety foam frequently asked questions. 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.