|
Dunnage Air Bag Type |
Maximum useable inflation pressure |
Maximum load in pounds |
Maximum testing pressure & void size |
Level 1 |
2 Ply |
2.5 PSI |
40,000 lbs max per load |
8 PSI |
Level 2 |
4 Ply |
5PSI |
Less than 75,000 lbs in a railcar |
17 PSI |
Level 3 |
6 Ply Medium Polywoven (5.2 oz sq/ft) |
8 PSI |
Between 75,000 and 160,000 lbs in a railcar |
25 PSI |
Level 4 |
8 Ply Heavy Polywoven (6.8 oz sq/ft) |
10 PSI |
Between 160,000 and 205,000 lbs in a railcar |
30 PSI |
Level 5 |
Heavy Polywoven (8.5 oz sq/ft) |
10 PSI |
Between 160,000 and 205,000 lbs in a railcar |
21 PSI (18" Void Horizontal) |
Paper Dunnage Air Bags
2 ply: restrains ± 40,000 lb
Air Bag Definition
