56.04-1—Scope.
Piping shall be classified as shown in Table 56.04-1.
| Service | Class | Section in this part |
|---|---|---|
| Normal | I, II | 56.04-2 |
| Low temperature | I-L, II-L | 56.50-105 |
[CGD 72-206R, 38 FR 17229, June 29, 1973, as amended by CGD 77-140, 54 FR 40602, Oct. 2, 1989; CGD 95-012, 60 FR 48049, Sept. 18, 1995]