API 2521
Use of Pressure-Vacuum Vent Valves for Atmospheric Loss
standard by American Petroleum Institute, 09/01/1966
Full Description
Describes the use of pressure-vacuum vent valves to reduce evap loss of petroleum stored at atmospheric pressure in aboveground fixed-roof tanks and variable vapor-space systems. Also presents factors to be considered when selecting vent valves.
Product Details
Published: 09/01/1966 Number of Pages: 13 File Size: 1 file , 770 KB Product Code(s): Not in Listing, Not in Listing, Not in Listing Note: This product is unavailable in Cuba, Iran, North Korea, Syria