NEMA SM 23-1991 (R2002)
- Steam Turbines for Mechanical Drive Service
- standard by National Electrical Manufacturers Association, 01/01
- Category: NEMA
$73.00
$37.00
Covers single- and multi-stage mechanical drive steam turbines intended to drive pumps, fans compressors. Does not apply to the driven equipment or the other equipment in the steam cycle.

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