Filter Gravel

(Click on thumbnail to enlarge)

Filter Gravel
Filter Gravel

Filter Gravel is an extremely effective filter media because of its ability to hold back precipitates containing impurities. Filter sand size, angularity and hardness are the important filter sand characteristics to ensure proper filtering. Products meet or exceed the NSF/ANSI Standard 61 for Drinking Water System Components, as well as AWWA Standard B100-01.

Physical Specifications
Effective Sizes: 1/8" - 2 1/2"
Uniform Coefficient: 1.2 - 1.7
Specific Gravity: 2.70
Moh's Hardness: 6
Density: 100 lbs per cubic foot

Sieve Analysis

Filter Gravel - Typical Sieve Analysis - Percent Passing

STANDARD SIEVE
OPENING INCHES
3/4 x 5/8
5/8 x 1/2
1/2 x 3/8
3/8 x 1/4
1/4 x 1/x8
#6 (5-9)
#8 (8-12)
1/8 x 1/16
1"
1
95.1
 
 
 
 
 
 
 
3/4"
0.75
42.1
95.7
 
 
 
 
 
 
5/8"
0.26
5.2
74.5
 
 
 
 
 
 
1/2"
0.5
2.3
3.5
99.1
 
 
 
 
 
3/8"
0.375
 
 
52.0
95.1
 
 
 
 
1/4"
0.25
 
 
0.8
20.2
99.2
 
 
 
#4
0.187
 
 
 
 
38.6
 
 
 
#5
0.157
 
 
 
 
11.0
99.6
 
 
#6
0.132
 
 
 
 
0.9
81.7
 
 
#7
0.11
 
 
 
 
0.1
38.2
99.8
 
#8
0.0937
 
 
 
 
 
6.3
89.1
99.8
#10
0.0787
 
 
 
 
 
0.6
51.0
83.1
#12
0.0661
 
 
 
 
 
0.1
19.9
34.9
#14
0.0555
 
 
 
 
 
 
1.8
4.0
#16
0.0469
 
 
 
 
 
 
0.2
 

Request Information