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Steam Stem Sealing

Steam Stem Sealing

Steam Stem Sealing

(OP)
Application: Globe valve for Steam Applications
Design Question:  I am focusing on a piston ring or graphite ring sealing scheme.  Are there design publications available?  Any insight into designing high pressure/high temperature steam stem seals would be helpful.

Right now the method to determine amount of leakoff is solely via testing, an expensive alternative to analytical solns.

Thanks,
Maschinenbauer
  

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