Performance Charts - VERDER VERDERAIR VA-E50 Operation

Performance Charts

Performance Charts
Performance Performance
Test Test Test Conditions: Conditions: The pump was tested in water with 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 speed speed gear gear ratio
High High speed gear
Outlet
Outlet Outlet
Pressure Pressure Pressure
bar, MPa MPa
bar, bar, MPa
(PSI) (PSI) (PSI)
24
Charts
Charts
ratio pumps pumps with with option
ratio pumps with
27 53
6.9, 0.69
(100)
6.2, 0.62
(90)
5.5, 0.55
(80)
4.8, 0.48
(70)
4.1, 0.41
(60)
3.4, 0.34
(50)
2.8, 0.28
(40)
2.1, 0.21
(30)
1.4, 0.14
(20)
0.7, 0.07
(10)
0
0 76
(20)
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.
option Ax5K5 Ax5K5
option Ax5K5
Pump Pump Pump Speed Speed Cycles Speed Cycles Cycles per per per Minute
80 106 133 160 186 212
151 227 303
(40) (60) (80)
Fluid Flow Flow — — — lpm lpm (gpm) (gpm)
Fluid Fluid Flow lpm (gpm)
Minute Minute
238
379 454
(100) (120)
530
(140)
859.0761