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Stephen Follows25/06/2018 11:43:41
63 forum posts
3 photos

I am building a stationary mill engine with a 1/4" copper steam feed.

I want to fit a displacement lubricator with a single pipe fitting. the only ones I can find have 1/4 x 40 fitting for 1/8" pipe. The way round this, I suppose, is to fit a reducing tee in the 1/4" pipe but I can't find one of those either.

I'm sure others out there have fitted lubricators on 1/4" pipe. Did you find a suitable lubricator or did you get round the problem somehow?

Thor25/06/2018 12:58:30
1228 forum posts
37 photos

Hi Stephen,

Is it something like this or this you are looking for? Would it be possible to fabricate from bronze and silver solder?


Paul Lousick26/06/2018 14:32:20
1405 forum posts
540 photos

Hi Stephen,

I did a quick search for a solution to your problem and drew a blank. As you have said 1/4"x40 fittings on the small lubricators have a 1/8" tube connection and could not find a 1/4"x1/8"x1/4" tee either.

Instead of a reducing tee from 1/4" to 1/8" tube, just fit the small tube into the bigger one and solder together. Then use a standard 1/4" tee.


JasonB26/06/2018 14:38:41
18084 forum posts
1988 photos
1 articles

Buy a tee for 1/4" pipe and then make a custom nipple the outside size of one for your 1/4" tee and rather than drilling to take 1/4" pipe just drill it for 1/8" pipe. or just sleeve down the 1/4" nipple. Simples

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