User's Manual

Performance Charts
3A1973B 25
Air Consumption
Test Conditions: Pump tested in water with inlet submerged.
AIR CONSUMPTION—scfm (cubic meters/min.)
25
(0.70)
20
(0.56)
15
(0.42)
10
(0.28)
5
(0.14)
2
(7.6)
4
(15.2)
6
(22.7)
8
(30.3)
10
(37.9)
12
(45.4)
14
(53.0)
16
(60.6)
FLUID FLOW—gpm (lpm)
A
B
C
Air Consumption Curves
A at 100 psi (0.7 MPa, 7 bar) air pressure
B at 70 psi (0.48 MPa, 4.8 bar) air pressure
C at 40 psi (0.28 MPa, 2.8 bar) air pressure
CYCLES PER MINUTE
standard diaphragms; overmolded diaphragms
46; 64
91; 128 137; 192 182; 256 228; 319
273; 383
319; 447
364; 511
To find Pump Air Consumption (scfm or m
3
/min) at
a specific fluid flow (gmp/lpm) and operating air pres-
sure (psi/MPa/bar):
1. Locate fluid flow rate along bottom of chart.
2. Follow vertical line up to intersection with
selected air consumption curve.
3. Follow left to scale to read air consumption.
30
(0.84)