The 1/8 npt brass tee fitting in the photo looks like it should work? I've have seen similar fittings on brake systems. The stainless hex nipple is rated for 9,100 psi., but the brass Tees are only rated for 1000 psi. I'm guessing this may not be safe? Anyone know for sure?
That's exactly what I used. The original brass junction block in my Bronco has been there for 54 years with no problem.
Use a good brand of brass like Edelman.I once picked up a piece of brass at a hardware store that leaked brakefluid right through the wall of the fitting.Seems hardware fittings are made from pressed cindered brass so it looks solid,but isnt.
Parker or Sweglock has what you need in steel or stainless steel . My old Harley has 2 in the brake system . If I trust them on 2 wheels 4 should be no issue what so ever .
How much pressure do you think you can generate with your right foot? Sure as hell isint 5000 psi. It will be fine. Most automotive brakes systems before 1980 use brass parts. They went to coated steel because its cheaper, not better.
Often an inverted flair is what gets used, but NPT also is used on brake systems. The edge that @Steve Lowe has here is that he used a hydraulic fitting as opposed to a water fitting. That is the biggest mistake that I see most people make is that they got to the hardware store and walk out with a water fitting, which works but is not correct/ OK I said all that to say this, yes it'll work fine and I agree with @BJR 100%
No problem with the fitting you are using, to use less fittings & cleaner look , you could get a male pipe with a female inverted with female pipe T . Some brass fittings are getting hard to source, About a mouth ago , I was looking for a inverted 3/8 tube female to male #6 Jic , called weather head and , Parker & few othe company's, No one made it I was told, So last week I was getting ready to Machine a few , then seen that Earl's makes it in steel , $8 each versus few hours worth of tooling ,I Purchased six of them. The pressure switch,, I know alot of people use it , But I will not use one ,Specially on a single Reservoir Master cylinder. I have had a few people ask me to install one . I have seen 2 out of waybe around 50 blow out over last 30 yr . & HD uses them on there Bikes.
You don't want to see the mess I came up with on mine but it used the NPT Tee, Ford brake switch and two adapters from NPT to female flair. Worked without issue for 15 + years except for the switch crapping out every other year.
I've used a brass street T on many 100's of plumbing systems on the chassis I've built over the years and haven't had a problem to date.
Ford used that brake switch form many years. However, I did see one blow. My dad was backing our 63 Monterey out of the garage and backed through our fence when he found he had no brakes.
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