Well Gravel
Ricci Bros. Well Gravel Features
- Convenient 50 lb. heat seal bags with handles or 3,000 lb. bulk sacks are available
- QC program assures precise and uniform grain sizes for repeatable packing and water flow
- Full range of sizes to match aquifer characteristics easily
- Certified to ANSI/NSF Standard 61
How to Purchase
Call us with the well inside diameter, outside diameter, depth and screen slot slot size in inches or mm.
| Available Sizes | ||
|---|---|---|
| Slot Size-in. | Slot Size-mm. | Use This Grade |
| 0.067 | 1.70 | 4 or Larger |
| 0.045 | 1.18 | 3 or Larger |
| 0.033 | 0.85 | 2 or Larger |
| 0.023 | 0.60 | 1 or Larger |
| 0.016 | 0.42 | O or Larger |
| 0.012 | 0.30 | OON or Larger |
| 0.010 | 0.25 | OO or Larger |
Common Gradations - wt % Passing
|
ASTM E11 |
mm. |
In. |
0.15 |
blend |
0.4 |
0.5 |
0.6 |
1.0 |
1.2 |
1.4 |
2.0 |
|---|---|---|---|---|---|---|---|---|---|---|---|
|
4 |
4.75 |
0.188 |
100 |
99 |
|||||||
|
6 |
3.35 |
0.132 |
100 |
99 |
50 |
||||||
|
8 |
2.36 |
0.094 |
100 |
95 |
55 |
10 |
|||||
|
10 |
1.70 |
0.067 |
100 |
100 |
95 |
55 |
5 |
1 |
|||
|
16 |
1.18 |
0.045 |
95 |
100 |
99 |
45 |
10 |
1 |
|||
|
20 |
0.85 |
0.033 |
80 |
100 |
99 |
50 |
5 |
1 |
|||
|
30 |
0.60 |
0.023 |
100 |
60 |
95 |
35 |
5 |
1 |
|||
|
40 |
0.42 |
0.016 |
95 |
35 |
40 |
5 |
1 |
||||
|
50 |
0.30 |
0.012 |
75 |
10 |
5 |
1 |
|||||
|
60 |
0.25 |
0.010 |
45 |
5 |
2 |
||||||
|
70 |
0.21 |
0.008 |
30 |
2 |
1 |
||||||
|
100 |
0.15 |
0.006 |
5 |
1 |