Fuel Line Sizes Chart

If your pump does not list line sizes use the table below as a basic guideline.

Fuel line sizes chart.

Section 2 supplying outlets a b and c or 94 cubic feet per hour requires 3 4 inch pipe. Completing the measurement is simple and takes relatively few tools. For example an an size 2 designates a tube od of 1 8 2 x 1 16 the tube od of an size 3 is 3 16 3 x 1 16. A lot of aftermarket pumps will list the required line sizes.

5 16 fuel line can be used in up to a 115 hp outboard engine. This is due to the duty cycle being on average 20 30 with idle 15 20 while c. Section 1 supplying outlets a and b or 35 cubic feet per hour requires inch pipe. This is an interesting article that i came across that seems to be pretty relevant.

The fuel line along with the other parts of a fuel system are responsible for delivering the fuel from the fuel cell into the carburetor. 6an 3 8 od 8an 1 2 od 10an 5 8 od 12an 3 4 od. This chart is for reference only we recommend you consult with a licensed plumber gas fitter or nfpa54 national fuel gas code current edition for more details. The size of the fuel line is determined by the outside diameter.

Anything above that has to be a 3 8 fuel line. What size fuel line to use for an outboard 5 16 or 3 8. If you are using an existing gas line you must take into consideration the existing gas line capacities to ensure you will have proper pressure. As such a fair amount of fuel system installations may be fine for race only applications but would be unsuited for street applications.

What you need to know about copper piping with your propane tank. Here is a more in depth break down of the differences in the hoses and the biggest reasons why it is important to have the right ones installed. Popular fuel line sizes. Michael rauscher many people design fuel line sizing based on common misconceptions and customs.

However when using an external fuel pump you can starve it for fuel if the line is too small. Most stock applications came with 5 16 inch fuel line but for many street vehicles and mild race applications 3 8 inch an 6 fuel line is a good upgrade. Lots of strange information out on the internet regarding fuel line sizing and it seems like most of the time people run way more diameter fuel line than they need. Outlet a supplying 32 cubic feet per hour requires inch pipe.

Fuel pumps are sized to feed your system with enough fuel to optimize engine performance. The an size number is correctly displayed with a dash before the number. It is important to have the right size so the vehicle operates efficiently. Pipe sizing charts a reference chart for propane tank pipe sizes it is best to always consult a qualified and certified technician to advise on the best piping that is needed for your propane tank to properly fuel your appliances provided here is a guide for more information for you to refer to.