API 2521

Description

API 2521 – Use of Pressure-Vacuum Vent Valves for Atmospheric Loss

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:

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