Diaphragms are located in the casing to efficiently convert the dynamic energy of the gas at the impeller outlet to static pressure. Also, return vanes are provided which direct the gas flow to the impeller eye.

Diaphragms are of welded or casting construction, and the return vanes consist of NACA profile wings. In the case of welded construction diaphragm, the return vane wings are precision N/C-machined.


Diagphram 11-08 --001

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