56.35-15—Metallic expansion joints (replaces 119.5.1).
(a)
Metallic expansion joints certified in accordance with subpart 50.25 of this subchapter are acceptable for use in piping systems.
(b)
Metallic expansion joints must conform to the standards listed in Table 56.60-1(b) of this part and may be used within their specified pressure and temperature rating.
[CGD 77-140, 54 FR 40607, Oct. 2, 1989]