Graco Inc. 308639L Marine Sanitation System User Manual


 
27
27308639
Performance Charts
Aluminum Husky 3275 Fluid Outlet Pressure
0
20
40
60
80
100
120
140
0 30 60 90 120 150 180 210 240 270
(114) (227) (568) (795)
(0.14, 1.4)
(0.41, 4.1)
FLUID FLOW––gpm (lpm)
(908)
(0.7, 7)
(0.8, 8)
(0.98, 9.8)
A at 120 psi (0.8 MPa, 8 bar) air pressure
B at 100 psi (0.7 MPa, 7 bar) air pressure
C at 70 psi (0.48 MPa, 4.8 bar) air pressure
D at 40 psi (0.28 MPa, 2.8 bar) air pressure
E at 20 psi (0.14 MPa, 1.4 bar) air pressure
Test Conditions: Pump tested in water with inlet submerged.
E
(0.55, 5.5)
(0.28, 2.8)
(341) (454) (681) (1022)
A
B
C
D
To find Fluid Outlet Pressure (psi/MPa/bar) at a
specific fluid flow (gpm/lpm) and operating air
pressure (psi/MPa/bar):
1. Locate fluid flow rate along bottom of chart.
2. Follow vertical line up to intersection with selected
fluid outlet pressure curve.
3. Follow left to scale to read fluid outlet pressure.
FLUID OUTLET PRESSURE––psi (MPa, bar)
Fluid Pressure Curves
To calculate Pressure Head in feet at a specific fluid outlet
pressure (psi):
pressure head, feet = (psi * 2.31) / specific gravity of fluid
To calculate Pressure Head in meters at a specific fluid outlet
pressure (MPa):
pressure head, meters = (MPa * 102) / specific gravity of fluid
To calculate Pressure Head in meters at a specific fluid outlet
pressure (bar):
pressure head, meters = (bar * 10.2) / specific gravity of fluid