[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: 46CFR56.25-15]

[Page 185]
 
                           TITLE 46--SHIPPING
 
   CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED)
 
PART 56_PIPING SYSTEMS AND APPURTENANCES--Table of Contents
 
Subpart 56.25_Pipe Flanges, Blanks, Flange Facings, Gaskets, and Bolting
 
Sec. 56.25-15  Gaskets (reproduces 108.4).

    (a) Gaskets shall be made of materials which are not injuriously 
affected by the fluid or by temperature.
    (b) Only metallic and suitable asbestos-free nonmetallic gaskets may 
be used on flat or raised face flanges if the expected normal operating 
pressure exceeds 720 pounds per square inch or the operating temperature 
exceeds 750 [deg]F.
    (c) The use of metal and nonmetallic gaskets is not limited as to 
pressure provided the gasket materials are suitable for the maximum 
fluid temperatures.

[CGFR 68-82, 33 FR 18843, Dec. 18, 1968, as amended by CGD 86-035, 54 FR 
36316, Sept. 1, 1989]