[Code of Federal Regulations]

[Title 46, Volume 4]

[Revised as of October 1, 2006]

From the U.S. Government Printing Office via GPO Access

[CITE: 46CFR98.25-80]



[Page 85-86]

 

                            TITLE 46_SHIPPING



                  (This book contains parts 90 to 139)

 

   CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED)

 

PART 98_SPECIAL CONSTRUCTION, ARRANGEMENT, AND OTHER PROVISIONS FOR 

CERTAIN DANGEROUS CARGOES IN BULK--Table of Contents

 

                 Subpart 98.25_Anhydrous Ammonia in Bulk

 

Sec.  98.25-80  Cargo hose.



    (a) Cargo hose fabricated of seamless steel pipe with swivel joints, 

wire braided armored rubber or other hose material acceptable to the 

Commandant, shall be fitted to the liquid or vapor lines during filling 

and discharging of the cargo tanks.

    (b) Hose subject to tank pressure shall be designed for a bursting 

pressure of not less than five times the maximum safety relief valve 

setting of the tank.

    (c) Hose subject to discharge pressure of pumps or vapor compressors 

shall be designed for a bursting pressure of not less than five times 

the pressure of setting of the pump or compressor relief valve.

    (d) Before being placed in service, each new cargo hose, with all 

necessary



[[Page 86]]



fittings attached, shall be hydrostatically tested by the manufacturer 

to a pressure of not less than twice the maximum pressure to which it 

may be subjected in service. The hose shall be marked with the maximum 

pressure guaranteed by the manufacturer.