113997 is part of a rotating heat exchanger (RHeX) system, specifically of the RHeX xx type. It is associated with a Nikon PCB card model 2S701-009 NTP-NMC-T Board, identified as 2S020-061-1 v1.08 OPTISTATION 3. Additionally, 113997 corresponds to a Siemens product with the code P1L113997. The design features of 113997 include various geometrical sealing cavity configurations in a single-group setup, which contribute a modest improvement to isentropic efficiency, ranging from approximately 0.91% to 0.95%.
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