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API TR 2569-ed.2008

Evaporative Loss from Closed-vent Internal Floating-roof Storage Tanks

NORMA vydaná dňa 1.8.2008

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Informácie o norme:

Označenie normy: API TR 2569-ed.2008
Dátum vydania normy: 1.8.2008
Počet strán: 38
Približná hmotnosť: 114 g (0.25 libier)
Krajina: Americká technická norma
Kategória: Technické normy API

Anotácia textu normy API TR 2569-ed.2008 :

API TR 2569, 2008 Edition, August 2008 - Evaporative Loss from Closed-vent Internal Floating-roof Storage Tanks

INTRODUCTION

This report addresses evaporative loss from internal floating-roof tanks (IFRTs) with closed vents, a subject not currently addressed by API. Nomenclature is provided in Appendix A.

The API Manual of Petroleum Measurement Standards Chapter 19, Section 1 (19.1) addresses evaporative loss from fixed-roof tanks, and specifically excludes fixed-roof tanks that have an internal floating roof (19.1.1.1).

The API Manual of Petroleum Measurement Standards Chapter 19, Section 2 (19.2) addresses evaporative loss from freely-vented internal floating-roof tanks, and specifically excludes "closed internal floating-roof tanks (that is, tanks vented only through a pressure-vacuum relief vent, blanketed with an inert gas, vented to a vapor processing unit, or otherwise restricted from being freely vented)" (1d).