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(PPPPD) Association of American Railroad
- General Information Bulletin No. 9
- Effective July 1, 2005
- Replace K,AAR Pamphlet #14
Product Performance Profile for Pneumatic Dunnage
- Level 1: Pneumatic dunnage used as lateral (crosswire) void filler (Intermodal)
- Levels 2-4: Pneumatic dunnage used as lengthwise void fillers in flat platen type applications (Boxcar)
- Level 5: Pneumatic dunnage used as lengthwise void fillers in horizontal application between concave surfaces (Boxcar)
Product Proformance Profile for Pneumatic Dunnage
|
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 |
5 PSI |
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 & 160,000 lbs. in a railcar |
25 PSI |
| Level 4 |
8 Ply Heavy Polywoven (6.8 oz sq/ft) |
10 PSI |
Between 160,000 & 205,000 lbs. in a railcar |
30 PSI |
| Level 5 |
Heavy Polywoven (8.5 oz sq/ft) |
10 PSI |
Between 160,000 & 205,000 lbs. in a railcar |
21 PSI (18" Void Horizontal) |