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Standard API 2521 1.9.1966 preview

API 2521

Use of Pressure-Vacuum Vent Valves for Atmospheric Loss

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STANDARD published on 1.9.1966


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The information about the standard:

Designation standards: API 2521
Publication date standards: 1.9.1966
SKU: NS-1249714
The number of pages: 13
Approximate weight : 39 g (0.09 lbs)
Country: American technical standard
Category: Technical standards API

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Annotation of standard text API 2521 :

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.

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