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API RP 1637 5th edition

API Color-symbol System to Identify Equipment, Vehicles, and Transfer Points for Petroleum Fuels and Related Products at Dispensing and Storage Facilities
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This recommended practice (RP) describes a system for marking equipment used to store and handle bulk petroleum, alcohol-blended petroleum and biodiesel products. The equipment marking color-symbol system described in this RP facilitates easy identification of products by means of colors, symbols and alphanumeric designations. The principal purpose of this marking system is to identify product transfer points for tank-truck loading and unloading at distribution terminals and retail outlets to prevent errors in product handling.
SDO API: American Petroleum Institute
Document Number 1637
Publication Date Aug. 1, 2025
Language en - English
Page Count
Revision Level 5
Supercedes
Committee
Publish Date Document Id Type View
Aug. 1, 2025 Revision
Not Available Revision