1/4 MFL to 1/4 MFL does not fit 1/4 FFL to barb. Why?

For my co2 closed transfer setup, I was expecting to be able to screw those 2 items together (male to female): https://www.ontariobeerkegs.com/Stainless_Steel_Flared_Union_1_4_MFL_x_1_4_MFL_p/ss-1-4-m-mfl-x-1-4-m-mfl.htm

https://www.ontariobeerkegs.com/ProductDetails.asp?ProductCode=ss-swivel-nut-5-16

But the adapter (1/4 MFL to 1/4 MFL) is too big to fit the 1/4 FFL to barb.

Why? Shouldn't 1/4 MFL fit properly 1/4 FFL? Do I miss something here?

Thanks in advance.

Topic closed-transfer kegging homebrew

Category Mac

1
answered at

The fittings are properly called 45 degree SAE flare fittings, you could check their dimensions against the standard (https://www.ryco.com.au/technical/thread-connector-identification/sae-threads/ ) to be sure about what you actually got sent. By rights, they should fit. If they don't, then at least one of them is not what you ordered. I'd measure them against the standard and then shoot Ontario Beer Kegs a message to get it sorted out.

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