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36 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 2.5 Upper limit value Lower limit value Unit size Operating range 4.5 Q ¨p Q ¨p 160.4 6.5 180.4 230.4 11.9 3.08 200.4 150 10 260.4 330.4 10.5 290.4 Water flow rate (l/s) 8.5 160.4 180.4 200.4 230.4 260.4 290.4 14.3 3.69 375.4 420.4 12.5 UM l/s kPa l/s kPa NOTES 14.5 Q :DWHUÀRZUDWH ¨P= Water pressure drop 330.4 375.4 420.4 The graph below illustratesfor the desupherheater exchanger the water pressure drop values in kPa depending on the flow rate in liters/second. The operating range is delimited by the minimum and maximum values given in the next table. 16.5 WATER PRESSURE DROP DESUPERHEATER Water pressure drop (kPa)