Pump for nominal pipe diameter of 25 mm, pump head range between 1 m and 4 m and maximum volume flow rate of 3.17 m³/h.
cHQN:
0.00000e+00, 0.00000e+00, 3.36913e-07;
0.00000e+00, 2.26535e-05, 0.00000e+00;
-1.76844e-01, 0.00000e+00, 0.00000e+00
cPQN:
2.49482e+00, -1.23598e-03, 1.90957e-06, -2.79676e-10, 5.88841e-14;
0.00000e+00, 0.00000e+00, 1.10231e-06, 0.00000e+00, 0.00000e+00;
0.00000e+00, -4.20700e-05, 0.00000e+00, 0.00000e+00, 0.00000e+00;
-2.26424e-01, 0.00000e+00, 0.00000e+00, 0.00000e+00, 0.00000e+00