[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: 46CFR56.25-10]

[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. 56.25-10  Flange facings.

    (a) Flange facings shall be in accordance with the applicable 
standards listed in Table 56.60-1(b) and MSS-SP-6.
    (b) When bolting class 150 standard steel flanges to flat face cast 
iron flanges, the steel flange must be furnished with a flat face, and 
bolting must be in accordance with Sec. 56.25-20 of this part. Class 
300 raised face steel flanges may be bolted to class 250 raised face 
cast iron flanges with bolting in accordance with Sec. 56.25-20(b) of 
this part.

[CGFR 68-82, 33 FR 18843, Dec. 18, 1968, as amended by CGD 77-140, 54 FR 
40605, Oct. 2, 1989]