Section 56.50-10 - Special gauge requirements(a) Where pressure-reducing valves are employed, a pressure gauge must be provided on the low-pressure side of the reducing station.(b) Fuel oil service and transfer, fire, cargo, and boiler feed pumps must be provided with a discharge pressure gage. Additional information pertaining to fire pumps is in § 34.10-5 of subchapter D, § 76.10-5 of subchapter H, § 95.10-5 of subchapter I, and § 108.417 of subchapter IA, all of this chapter.CGFR 68-82, 33 FR 18843, Dec. 18, 1968, as amended by CGFR 69-127, 35 FR 9978, June 17, 1970; CGD 73-251, 43 FR 56799, Dec. 4, 1978; USCG-2003-16630, 73 FR 65178, Oct. 31, 2008