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About This Item


Full Description

This recommended practice 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 recommended practice 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.

The marking system described in this recommended practice does not cover aviation fuels.

Document History

  1. API RP 1637


    Using the API Color-Symbol System to Identify Equipment, Vehicles, and Transfer Points for Petroleum Fuels and Related Products at Dispensing and Storage Facilities and Distribution Terminals, Fourth Edition

    • Most Recent
  2. API RP 1637 (R2012)

    Using the API Color-Symbol System to Mark Equipment and Vehicles for Product Identification at Gasoline Dispensing Facilities and Distribution Terminals, Third Edition

    • Historical Version
  3. API 1637

    Using the API Color-Symbol System To Mark Equipment and Vehicles For Product Identification at Service Stations and Distribution Terminals

    • Historical Version