Performance Charts - VERDER VERDERAIR VA-E50 Operation

Performance Charts

Performance Charts
Performance Performance
Test Conditions: Conditions: The pump was tested in water with
Test Test Conditions:
the inlet submerged. The air pressure was set at 7
bar (100 psi).
How How to to to Use How Use the Use the Charts the Charts Charts
1. Choose a flow rate and outlet pressure that falls
below the Power Limit Curve. Conditions outside
of the curve will decrease the life of the pump.
High High High speed speed gear speed gear ratio gear ratio pumps ratio
6.9, 0.69
6.2, 0.62
5.5, 0.55
4.8, 0.48
4.1, 0.41
Outlet Outlet Outlet
Pressure Pressure Pressure
3.4, 0.34
bar, bar, MPa bar, MPa MPa
2.8, 0.28
(PSI) (PSI) (PSI)
2.1, 0.21
1.4, 0.14
0.7, 0.07
24
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Charts
Charts
pumps with pumps with with option option option Ax5K5
Pump Pump Pump Speed
27 53 80
(100)
(90)
(80)
(70)
(60)
(50)
(40)
(30)
(20)
(10)
0
0 76 151
(20) (40)
Fluid Flow
Fluid Fluid
2. Set the VFD frequency corresponding to the
desired flow rate. Flow rates will increase with
outlet pressure lower than 0.7 bar (10 psi) and
with high inlet head pressure.
Ax5K5 Ax5K5
Speed Speed Cycles Cycles per Cycles per per Minute Minute Minute
106 133 160 186 212 238
227 303
(60) (80)
Flow — — — lpm lpm (gpm) (gpm)
Flow lpm (gpm)
379 454 530
(100) (120) (140)
859.0761