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May
Marine-grade fuel hose is much heavier than the same inside-diameter hose as used in automotive applications. This is done as part of its fire or flame testing a requirement under the regulations.
The 516 fuel line is actually perfect for smaller outboards.
Marine fuel line vs auto fuel line. Marine Fuel line VS auto Marine fuel line is considered barrier hose and automotive is not. The inner construction is the same but the cover is better more abrasion leak and fire resistant on marine fuel line. A hose is made in several steps.
What I have always been told is marine fuel line is made to be more flexible than automotive line due to the fact the motor twist and the line has to move with it. That said some auto parts stores carry marine fuel line. If not Wal-Mart and K-Mart carry them.
The marine fuel line is low permeation which is another epa regulation they couldnt get away with on cars. Low pressure automotive line is e85 rated and twice the line at a fraction of the cost. Marine fuel line still has that pesky liner you gotta watch out for.
You never hear of automotive line breaking down since it doesnt have that liner. Inside the ½ fuel line the fuel would be traveling at 2 ftsecond and inside the 38 fuel line just over 3 ft per second. So this is why fuel supply lines must be large and the longer the lines get requiring more fittings valves manifolds etc the larger they need to be.
Marine fuel hose is a different product than standard fuel hose and has to be Coast Guard approved. Marine hose must have the SAE J1527 Style R1 rating emblazoned on the hose to pass as seaworthy. Marine hose is rated for 40 psi and will work in a.
Marine-grade fuel hose is much heavier than the same inside-diameter hose as used in automotive applications. This is done as part of its fire or flame testing a requirement under the regulations. All fuel hose used in engine room spaces on board gasoline-fueled boats must meet a 25-minute fire test rating.
Basically what happened as a result of the new regulations is that the permeation rate standard for marine fuel hoses was tightened up rather significantly. A new designation was established for fuel distribution hose that now requires a permeation rating maximum of 15 gm²24hrs 15 grams per square meter in 24 hours. To maintain a solid stream of fuel minus air and obstructions use marine grade fuel line components.
Think of the fuel line rating system like a report card- A1 is the best. It has the highest fire resistance 25 minutes open flame and lowest permeability making it appropriate for any application. Replacing fuel lines Archive - Houseboat Forums.
View Full Version. My outboards fuel lines are now 9 years old and look pretty weathered. The last 3 of hose is pretty much exposed to the elements year round as its run across the top of the pontoons enroute to the engines.
Marine - Fuel Lines. Select a store to see pricing availability. Search for a store page input 1.
When autocomplete results are available use up and down arrows to review and enter to select. Touch device users explore by touch or with swipe gestures. Series 368 Low-Permeation Marine Fuel Hose Sold by the.
65 749 949. Skip to compare menu. Moeller Marine 034390-10LPA Universal 38 Fuel Line Assembly 80 Long 38 ID.
Hose Customize your fuel line assembly to match the existing connector on your fuel tank. Assemblies use a compounded tough pliable UV-resistant hose. Ogrmar Fuel Line Assembly 38 Inner Dia 58 Outer Dia Hose Line Marine Outboard Boat Motor RVs Fuel Assembly with Primer Bulb Steel Hose Clamps 6FT 43 out of 5 stars 2296 1599 15.
Obviously the difference between the two fuel lines is one is smaller than the other. But there is a little more to it than that. The 516 fuel line is actually perfect for smaller outboards.
Being a little smaller than the 38 hose it works great for. Choosing the right Fuel lines for your vessel When choosing the proper fuel line for your vessel basically 4 main criteria concerns need to be addressed. Is the vessel a USCG Passenger Carrying vessel operating under CFR Sub-Chapter-T or K rules.
If the answer is yes then you can stop here. Our BLUEFIN A360 hose is made specifically to meet and exceed the requirements of SAE J1527 USCG. Marine fuel hose works on negative pressure vacuum where the fuel pump in the engine sucks the fuel into the hose from the tank.
Automotive fuel hoses are made to withstand bursting from internal pressure but they eventually collapse under vacuum conditions. Save yourselves the headache. Buy marine certified fuel hoses.
Some gas pumps at local gas stations may offer both E10 and E15 or have blender pumps that dispense mid-level ethanol fuels for Flex-Fuel automobiles. Higher ethanol fuel E15 may be less expensive than regular E10 fuel but putting E15 into an E10 approved vessel could cause engine and fuel system damage. I know that on my car a non-diesel parts of the fuel line are simply rubber tubing built to a certain spec.
Thus my query re. Marine Diesel fuel lines. The metal or Kevlar jacket in such lines wouldshould theoretically give you good wear abrasion resistance but would still have the line remaining flexible.
Taking this information into consideration lets examine how different fuel line sizes can affect pressure drop. This example compares -6AN and -8AN supply fuel lines both are 14-foot long. Referring to Graph A.
The amount of pressure drop we can expect for 14-foot fuel lines at 110 gph is-6AN Fuel Line. Silverado 3000 Outboard Fuel Line is resistant to Ethanol blend fuels and is CARB-compliant for small engine use. This EPA-compliant outboard fuel line has a thermoplastic construction that resists UV and the barrier layer prevents permeation.
It includes Fuel injection hose Marine fuel hose Farm fuel hose Diesel fuel hose Fuel transfer hose. It is commonly made of reinforced rubber to prevent splitting and kinking.