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regulator material

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Philip Burley16/11/2018 15:05:16
134 forum posts
3 photos

I am starting to make a screw down regulator for a small loco , What materials would be best for the valve ? Bronze for the base and stainless for the taper part was what I was thinking of What do others use ?

regards Phil

David Wasson17/11/2018 01:51:56
124 forum posts
33 photos

Yes, bronze for the seat and stainless for the valve works quite well. - David

dscn1369 - reduced 8.jpg

Philip Burley17/11/2018 09:55:20
134 forum posts
3 photos

Thanks David , I will carry on with that set up then # I take it that the valve seat is bored straight through and not tapered ?

regards Phil

David Wasson17/11/2018 13:53:58
124 forum posts
33 photos

Hi Phil,

Yes, the bore for the seat is straight though, no taper. For the thread on the valve, I used a 1/2"-13. When you turn the regulator handle, it is full open at about 1/4 turn. I made it a right hand thread, as I wanted the regulator to open when you turn the handle anti-clockwise. Farther than this does not really change the steam flow.super simplex regulator - jpg.jpg This is the drawing for the regulator in my Super Simplex. - David

You will find more photos of my regulator at my website. Scroll down about a quarter of the page.


Edited By David Wasson on 17/11/2018 13:56:35

Philip Burley17/11/2018 15:12:51
134 forum posts
3 photos

yes , that's the drawing I am working from , scaled down , Its for a big boiler Tich . Thanks for that link , very useful . ( and interesting )

David Wasson17/11/2018 15:17:07
124 forum posts
33 photos

Philip, you are so welcome! I'm glad you have found the link useful. - David

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