46 CFR 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 (incorporated by reference; see 46 CFR 56.01-2).
(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 § 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 § 56.25-20(b) of this part.
Title 46 published on 2014-10-01
The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 46 CFR Part 56 after this date.