Unical HP OWER 260RK, User'S And Installer'S Manual

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14. USEFUL HEAD
The characteristic head-flow curves net of pressure drops of the hydronic kit are shown below. On each curve the optimal working point
corresponding to condition (1) of the technical data table is highlighted.
The system must be designed in such a way as to guarantee the nominal flow rate relative to the working points shown below.
Flow rate m [l/s]
Useful head p
HP_OWER 260R K [kPa]
Useful head p
HP_OWER 320R K [kPa]
0,5 107,4 111,2
0,6 103,5 108,7
0,7 98,6 105,5
0,8 92,7 101,5
0,9 85,8 96,7
1,0 78,0 91,2
1,1 69,2 84,9
1,2 59,4 77,7
1,3 48,6 69,8
1,4 36,6 61,2
1,5 23,5 51,8
1,6 9,4 41,6
120,0
110,0
100,0
90,0
80,0
70,0
60,0
50,0
40,0
30,0
20,0
10,0
0,0
0,0 0,2 0,4 0,6 0,8 1,0 1,2 1,4 1,6 1,8 2,0 2,2
m [l/s]
HP_OWER 320R K HP_OWER 260R K