Effect of Sulfate Stock on Centrifugal Pump Characteristic



Fall Velocities of Various Abrasives

Diameter
(mm)
Mesh
Size
US Fine
Fall
Velocity
(ft/sec)
Soil Grain Size Identification
ASTM US Bur. Soils
USDA
MIT International
.0002   .000000098 Clay Clay Med. Clay Fine Clay
.0006   .00000092 Coarse Clay Coarse Clay
.001   .0000023
.002   .0000092 Fine Silt Fine Silt
.005   .000096 Silt Silt
.006   .000082 Med. Silt Coarse Silt
.02   .00092 Coarse Silt Fine Mo.
.05 270 .0056 Fine
Sand
Very Fine
Sand
Coarse Mo.
.06 230 .0082 Fine Sand
.10 150 .024 Fine Sand Fine Sand
.20 70 .069 Med. Sand Med. Sand
.25 60 .085 Coarse
Sand
Sand
.30   .105
.50 35 .173 Coarse Sand Coarse Sand
.60 30 .206 Coarse Sand
1.00 18 .327 Fine Gravel Very Coarse
Sand
2.00 10 .556



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