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Philip Burley	16/11/2018 15:05:16
198 forum posts 1 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 Wasson	17/11/2018 01:51:56
149 forum posts 43 photos	Yes, bronze for the seat and stainless for the valve works quite well. - David
Philip Burley	17/11/2018 09:55:20
198 forum posts 1 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 Wasson	17/11/2018 13:53:58
149 forum posts 43 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. 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. LINK Edited By David Wasson on 17/11/2018 13:56:35
Philip Burley	17/11/2018 15:12:51
198 forum posts 1 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 Wasson	17/11/2018 15:17:07
149 forum posts 43 photos	Philip, you are so welcome! I'm glad you have found the link useful. - David

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