 | 1943 - 1222 pages
...API-ASM E 80 100 ic c (>) (') 1 As approved by Bureau of Explosives. (d) Relief valves, tampering. Safety relief valves shall be so arranged that the possibility of tampering will be minimized; if pressure setting or adjustment is external, the relief valves shall be provided with approved means... | |
 | 1972
...Association's "Safety Relief Device Standards for Cargo and Portable Tanks" Pamphlet Sl, Part 2, 1966. (3) Safety relief valves shall be so arranged that...start to discharge at a pressure no higher than 110 percent of the tank design pressure and no lower than the pressure specified In § 173.315 (a) ( 1... | |
 | 1972 - 962 pages
...Association's "Safety Relief Device Standards for Cargo and Portable Tanks" Pamphlet 5-1, Part 2, I960. (3) Safety relief valves shall be so arranged that...start to discharge at a pressure no higher than 110 percent of the tank design pressure and no lower than the pressure specified in § 173.315 (a) (1)... | |
 | 1993 - 926 pages
...(b)(9)(ii) of this section) of the maximum permitted start-to-discharge pressure setting of the device. (iv) Safety -relief valves shall be so arranged that the...tampering will be minimized. If the pressure setting adjustment is external, the relief valves shall be provided with means for sealing the adjustment.... | |
 | 1985 - 1166 pages
...(b)(9)(ii) of this section) of the maximum permitted start-to-discharge pressure setting of the device. (iv) Safety -relief valves shall be so arranged that the...tampering will be minimized. If the pressure setting adjustment is external, the relief valves shall be provided with means for sealing the adjustment.... | |
 | 1999 - 982 pages
...section) of the maximum permitted start-to-discharge pressure setting of the device. (iv) Safety-relief valves shall be so arranged that the possibility of...tampering will be minimized. If the pressure setting adjustment is external, the relief valves shall be provided with means for sealing the adjustment.... | |
 | 1994 - 948 pages
...section) of the maximum permitted start-to-discharge pressure setting of the device. (Iv) Safety-relief valves shall be so arranged that the possibility of...tampering will be minimized. If the pressure setting adjustment is external, the relief valves shall be provided with means for sealing the adjustment.... | |
 | 2002 - 996 pages
...section) of the maximum permitted start-to-discharge pressure setting of the device. (iv) Safety-relief valves shall be so arranged that the possibility of...tampering will be minimized. If the pressure setting adjustment is external, the relief valves shall be provided with means for sealing the adjustment.... | |
 | 1982 - 1002 pages
...section) of the maximum permitted start-to-discharge pressure setting of the device. Civ) Safety-relief valves shall be so arranged that the possibility of...tampering will be minimized. If the pressure setting adjustment is external, the relief valves shall be provided with means for sealing the adjustment.... | |
 | 1998 - 984 pages
..... ..„ Minimum (percent) 110 95 95 95 95 Maximum (percent) 125 100 100 100 100 (Iv) Safety-relief valves shall be so arranged that the possibility of...tampering will be minimized. If the pressure setting adjustment is external, the relief valves shall be provided with means for sealing the adjustment.... | |
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Shutoff valves shall not be installed between the safety-relief valves and the container; except, that a shutoff valve may be used where the arrangement of this valve is such... 
