Section 32.50-5 - Cargo pump gauges on tank vessels constructed on or after November 10, 1936-TB/ALL(b) A pressure gage shall be installed for each pump discharge, and it shall be located at a point visible with respect to the pump controls.CGFR 65-50, 30 FR 16671, Dec. 30, 1965, as amended by CGD 73-254, 40 FR 40163, Sept. 2, 1975