[Code of Federal Regulations]
[Title 46, Volume 2]
[Revised as of October 1, 2004]
From the U.S. Government Printing Office via GPO Access
[CITE: 46CFR58.20-5]

[Page 264]
 
                           TITLE 46--SHIPPING
 
   CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED)
 
PART 58_MAIN AND AUXILIARY MACHINERY AND RELATED SYSTEMS--Table of Contents
 
                  Subpart 58.20_Refrigeration Machinery
 
Sec. 58.20-5  Design.

    (a) Refrigeration machinery may be accepted for installation 
provided the design, material, and fabrication comply with the 
applicable requirements of the American Bureau of Shipping or other 
recognized classification society. The minimum pressures for design of 
all components shall be those listed for piping in Table 501.2.4 of 
ANSI-B31.5 (Refrigeration Piping). In no case shall pressure components 
be designed for a pressure less than that for which the safety devices 
of the system are set. Pressure vessels will be designed in accordance 
with part 54 of this subchapter.
    (b) For refrigeration systems other than those for reliquefaction of 
cargo, only those refrigerants under Sec. 147.90 of this chapter are 
allowed.

[CGFR 68-82, 33 FR 18878, Dec. 18, 1968, as amended by CGFR 69-127, 35 
FR 9980, June 17, 1970; CGD 84-044, 53 FR 7748, Mar. 10, 1988]