Reference profile
- Designation
- API 2000
- Title
- Venting Atmospheric and Low-Pressure Storage Tanks
- Issuing body
- API
- Current edition
- [verify]
- Status
- Library record: published; official standard status [verify].
- Category
- Static Equipment
1
Overview
Requirements for normal and emergency venting of atmospheric and low-pressure storage tanks to prevent over/under-pressure.
2
Scope & Applicability
Covers
- Normal venting
- Emergency venting
- Thermal breathing
- Fire exposure
- Vent sizing
Does NOT cover (exclusions)
- Exclusions are not documented in this library record. Confirm the official publication, neighbouring codes, the adopted edition, and jurisdictional boundaries before application.
3
Key Requirements
Lifecycle requirements
- Vent sizing
- Breather valve selection
- Tank protection design
4
Technical Details
Requirements for normal and emergency venting of atmospheric and low-pressure storage tanks to prevent over/under-pressure.
Components: Breather valve, Emergency vent, Flame arrester, Free vent.
Where to find it in the codeRefer to the official table of contents and the sections cited by the project specification; section numbering can vary by edition.
5
Engineering Notes
- Inadequate venting can collapse or rupture a tank; sizing must consider pump rates, thermal effects, and fire.
6
Related Standards
7
Source, Edition & Status
- Publisher
- API
- Edition Year
- N/A
- Industries
- Refinery, Petrochemical, Oil & Gas
- Content Status
- published
- Last Reviewed
- 2026-07-01
- Last Updated
- 2026-07-01
- Verified By
- Engineering Reviewer
- Official Link
- N/A
This paraphrased summary is a discovery aid. Do not reproduce or substitute it for the copyrighted official publication or jurisdictional requirements.