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Newer Steel boiler outlet piping design
I've been looking at a number of newer, compact steel boilers and the manufacturer's claim they produce dry steam with very high velocities at the nozzles. I am currently looking at a 125 HP Hurst with a 6 inch nozzle and they say it produces dry steam for both low and high pressure applications, so there is no need for a boiler header. This sounds pretty fishy to me. As an added challenge, this particular system is vacuum so the velocity out the boiler is double that of a typical low pressure heating boiler. What is your opines, ladies and gentlemen? In this case the velocity at the nozzle is about 161 ft/sec with 0 psi steam. It will be higher, of course in vacuum.
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