I am looking for an in-line one way valve for 3/32" fuel line.  I need it in a pressure line to prevent flooding.  I found a plastic valve for aquariums but don't know if it will hold up to nitro and methanol.  Any idea where I can find one?  Thanks

i have one of those

Bob, good buddy, best friend and helper of needy pilots, would you like to be my HERO and sell me one?  Just one..... for now.  Please!  Pretty PLEASE!

     Doesn't Fourmost or Foremost Products offer a check valve? I just can't say for sure who the manufacturer was but I have purchased one before at the local hobby shop. It's a plastic piece and it did seem to work. It's white on one end and red on the other. The same company makes other small fittings for fuel lines.

  Type at you later,
   Dan McEntee

Dave, you are correct, the Fourmost valve would require a larger fuel line which I don't have room for. 

Bob, you are my HERO.  He came through with what I need.  Thanks to all for your suggestions.  Ron

Need more info (what engine). 3/32 OD fuel line is some small line. Only thing you could get in there is 1/2a check valve made by KK way back when if you can find one new. If it's a bigger engine that size won't let enough pressure through. Also, a check valve like that has to be flushed clean with solvent after each days use or it will be ruined with dry oil. They don't seal completely, they only minimize back flow so you need to break the pressure as soon as the engine shuts off. I don't believe the Foremost valves will take the beating of a pulse line imho.

MM  

Some FF and maybe Combat guys use a check valve on one end of a surgical tubing tank. That way, they fill through the check valve and can bind the hose to the spraybar with copper wire. And I believe they use the Foremost unit. Ralph Cooney is a good guy, so I'd bet they work.  Steve

The intended use is for my Class 2 Navy Carrier model with an old school Rossi 65 engine and Johnson fuel metering system.  Unless the engine fires right away, the fuel is pushed out of the rear venturi into the fuselage and out the bottom drain hole.  I'd like to avoid a fire.