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Dear all friend thanks about corporation I think like Compositepro a practical way can be this, but corrosion effect should be considered , and also nitrogen could be replaced instead of air.

Thanks littlelnch also Yes , I send my question to him for more detail

Thanks katmar temperature is acc. to centigrade as you say right its impossible to have steam only I think the only way for having this condition is mixing steam with air for example. what you think?

Dear all friend Customer wana to have steam at above condition any resolvent? I work at a boiler producer

"The difference between the saturation temperature corresponding to the maximum operating pressure, and the outlet temperature, should not normally exceed 80 K." Dear sir/lady Hi, Above paragraph is about hot water design. What's the reason? Thank's

THANKS racookpe1978 BY THE 24.5 I MEANT MINIMUM REQUIRED THICKNESS (AFTER TAKING CORROSION AND RELATED ALLOWANCES)FOR FLAT PORTION,BUT I DON'T KNOW ABOUT KNUCKLE PART.HOW CAN I CALCULATE THAT PORTION .

Don56 , thank you The code is EN-52193 , AND THE HEAD IS NOT UNSUPPORTED(WE SUPPORT TUBE PLATE BY SOME STAYS). SO WE CAN'T CALCULATE BY THE CODE AS A WHOLE.

Hello everybody, we produced a dished only head as tube plate of a fire tube boiler with cold forming, but there is a thickness reduction of about 3 mm at the knuckle ,after forming (before forming thickness =25 mm). now the question: if the minimum thickness required on the flat part of tube...