In addition to § 179.220 , the individual specification requirements are as follows:
DOT specification | Insulation | Bursting pressure (psig) | Minimum plate thickness (inches) | Test pressure (psig) | Bottom outlet | Bottom washout | Reference (179.221-***) |
115A60ALW | Yes | 240 | 3/16 | 60 | Optional. | Optional | |
115A60W1 | Yes | 240 | 1/8 | 60 | Optional | Optional | 1 |
115A60W6 | Yes | 240 | 1/8 | 60 | Optional | Optional | 1 |
49 C.F.R. §§179.221-1