Performance Chart - VERDER VERDERAIR VA 40 Instructions And Parts List

Performance Chart

Example of Finding Pump Air Consumption and Air Pressure at a Specific Fluid Delivery and Discharge Head:
To supply 227 liters fluid flow (horizontal scale) at 2.8 bar discharge head pressure (vertical scale) requires approximately
3
1.40 N•m /min air consumption at 4.9 bar inlet air pressure.
meters
85.3
73.2
61.0
48.8
36.6
24.4
12.2
0
TEST CONDITIONS
Pump tested in water with PTFE diaphragm and inlet
submerged.
34 819.4486
bar
8.4
A
E
7.0
B
5.6
C
4.2
2.8
D
1.4
0
57 114
0
FLUID FLOW L/MIN
INLET AIR PRESSURES
A 8.4 bar air
B 7 bar air
C 4.9 bar air
D 2.8 bar air
AIR CONSUMPTION
F
E
F
G
H
G
170 227 284
KEY
3
0.56 N m /min
3
1.12 N m /min
3
1.68 N m /min
3
2.24 N m /min
H
341 397 454
FLUID PRESSURE AND
FLOW
3
N•M /MIN AIR
CONSUMPTION