I am working on a little project that needs me to build a valve that will seal against ~1000psi and alow quite a large flowrate. The current design uses o-rings to but I would like to change the design to be more like the valve seales on a car engine i.e. metal on metal. The problem I have is I have no idea what would be the best materials to buid something like this out of. Could someone throw me a few suggestions?
Thanks
Stephen.
I have a mass flow rate of about 2Kg/s through it and the temp will range from approx -100C to about 150C max extreme if thats any help.
Stephen
Chrome steel?
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To get the valve and the valve seat to seal, is it a case of machining them as well as possible and then using some sort of lapping/grinding compound and gently rotating one on the other? Or is there some other magic that can be applied? Highly experienced engineer here, can you tell ;-)
Stephen.
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