[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: 46CFR50.25-1]

[Page 115-116]
 
                           TITLE 46--SHIPPING
 
   CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED)
 
PART 50_GENERAL PROVISIONS--Table of Contents
 
       Subpart 50.25_Acceptance of Material and Piping Components
 
Sec. 50.25-1  General.


    (a) Materials and piping components used in the construction of 
boilers, pressure vessels, pressure piping systems, and related 
components are accepted by review of manufacturer or mill certificates 
under Sec. 50.25-3 of this part, product marking in accordance with an 
adopted industry standard, or technical information indicating their 
compliance with the requirements of this subchapter.
    (b) Plate, bar stock, pipe, tube, pipe joining fittings (tees, 
elbows, reducers, etc.), bolting, castings, forgings, and flanges, are 
accepted by review of manufacturer or mill certificates under Sec. Sec. 
50.25-3, 50.25-5, and 50.25-7 of this part.
    (c) Valves, fluid conditioner fittings, and special purpose fittings 
complying with an adopted industry standard and marked in accordance 
with the standard are accepted through review of the marking indicating 
compliance with the adopted industry standard.
    (d) Valves, fluid conditioner fittings, special purpose fittings, 
and pipe joining fittings not complying with an adopted industry 
standard are accepted for use on a case-by-case basis. Acceptance is 
granted by the Marine Safety Center or the Officer in Charge, Marine 
Inspection, having cognizance over the installation of the product. To 
obtain acceptance of a product, the manufacturer must submit, via the 
vessel owner or representative, the information described in Sec. 
50.25-10 of this part to the Marine Safety Center or the cognizant 
Officer in Charge, Marine Inspection.

[[Page 116]]

    (e) Components designed for hydraulic service which require shock 
testing under Sec. 58.30-15(f) of this chapter and nonmetallic flexible 
hose assemblies must be accepted by the Commandant (G-MSE). 
Manufacturers desiring acceptance of these products must submit 
information necessary to show compliance with Sec. Sec. 56.60-25(c) or 
58.30-15 of this chapter, as applicable. Acceptance of specific 
installations of acceptable nonmetallic flexible hose assemblies and 
shock tested hydraulic components is granted by the Marine Safety Center 
or the cognizant Officer in Charge, Marine Inspection, as described in 
paragraph (d) of this section.
    (f) The vessel owner or representative shall make available to the 
Officer in Charge, Marine Inspection, the manufacturer or mill 
certificates, specific letters of acceptance, or approved plans 
necessary to verify that piping components comply with the requirements 
of this subchapter.

[CGD 77-140, 54 FR 40598, Oct. 2, 1989, as amended by CGD 95-072, 60 FR 
50462, Sept. 29, 1995; CGD 96-041, 61 FR 50727, Sept. 27, 1996; USCG-
2004-18884, 69 FR 58345, Sept. 30, 2004]