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API STD 2000

Venting Atmospheric and Low-pressure Storage Tanks

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Organization: API
Publication Date: 1 January 1982
Status: inactive
Page Count: 17
scope:

FOREWORD

This standard covers the normal and emergency venting requirements for aboveground liquid petroleum storage tanks and aboveground and belowground refrigerated storage tanks designed for operation at pressures from ½ ounce per square inch (22 millimeters water column) vacuum through 15 pounds per square inch gage (1.034 bar gage). This standard does not apply to floating- or lifter-roof tanks. Engineering studies of a particular tank may indicate that use of a venting capacity other than that estimated in accordance with this standard is desirable.

Section 1 of this standard applies only to aboveground non refrigerated liquid petroleum storage tanks. It outlines safe and reasonable practices for a normal temperate-zone climate and normal operating conditions. The many abnormal variables that must be considered in connection with tank venting problems make it impracticable to set forth definite simple rules that are applicable to all locations and all conditions. Larger vents may be required on tanks in which oil is heated, on tanks that receive oil from wells or traps, and on tanks that are subjected to pipeline surges. Similarly, the use of flame arresters or other restrictions that may build up pressure under certain conditions may require the use of larger vents on tanks.

Section 2 of this standard applies only to aboveground and belowground refrigerated liquefied hydrocarbon storage tanks.

Suggested revisions are invited and should be submitted to the director of the Refining Department, American Petroleum institute, 1220L Street, N.W., Washington, D.C. 20005 .

Document History

March 1, 2014
Venting Atmospheric and Low-pressure Storage Tanks
This standard covers the normal and emergency vapor venting requirements for aboveground liquid petroleum or petroleum products storage tanks and aboveground and underground refrigerated storage...
March 1, 2014
Venting Atmospheric and Low-pressure Storage Tanks
This standard covers the normal and emergency vapor venting requirements for aboveground liquid petroleum or petroleum products storage tanks and aboveground and underground refrigerated storage...
November 1, 2009
Venting Atmospheric and Low-pressure Storage Tanks
This International Standard covers the normal and emergency vapour venting requirements for aboveground liquid petroleum or petroleum products storage tanks and aboveground and underground...
November 15, 1999
Venting Atmospheric and Low-Pressure Storage Tanks Nonrefrigerated and Refrigerated
1 Scope This standard covers the normal and emergency vapor venting requirements for aboveground liquid petroleum or petroleum products storage tanks and aboveground and underground refrigerated...
April 1, 1998
Venting Atmospheric and Low-Pressure Storage Tanks Nonrefrigerated and Refrigerated
1 Scope This standard covers the normal and emergency vapor venting requirements for aboveground liquid petroleum or petroleum products storage tanks and aboveground and underground refrigerated...
September 1, 1992
Venting Atmospheric and Low-Pressure Storage Tanks Nonrefrigerated and Refrigerated
General Requirements This standard covers the normal and emergency venting requirements for aboveground liquid petroleum or petroleum products storage tanks and aboveground and underground...
API STD 2000
January 1, 1982
Venting Atmospheric and Low-pressure Storage Tanks
FOREWORD This standard covers the normal and emergency venting requirements for aboveground liquid petroleum storage tanks and aboveground and belowground refrigerated storage tanks designed for...
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