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                                                                Refrigeration Systems                                      347




































                     Figure 11-44. Condenser duty for single-stage propane refrigeration system. (Excerpted by special permission: Mehra, Y. R. Chemical Engi-
                     neering March 26, 1979. ©McGraw-Hill, Inc., New York. All rights reserved.)

















                                                                                               Figure 11-45.  Gas horsepower for two-
                                                                                               stage propane refrigeration system.
                                                                                               (Excerpted by special permission: Mehra,
                                                                                               Y. R.  Chemical Engineering,  March 26,
                                                                                               1979. ©McGraw-Hill, Inc., New York. All
                                                                                               rights reserved.)
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