What Color Is Used For Def Api

Diesel Exhaust Fluid DEF - automotive-grade DEF also referred to as AUS 32, ARLA 32 - marine-grade DEF also referred to as AUS 40. Fuel OilHeating Fuel - No. 1 USING THE API COLOR- SYMBOL SYSTEM TO MARK EQUIPMENT AND VEHICLES FOR PRODUCT IDENTIFICATION AT SERVICE STATIONS AND DISTRIBUTION TERMINALS FIRST EDITION

API 1637 is specified by Handbook 130 and many state weights and measures codes as the color code system to be used. The 4th edition of API 1637 is a significant update from the prior version. It incorporates the many fuel blends and biofuels that have been introduced to the market since the last version of this standard was published.

The color code system can be found at loading racks and on transfer valves and connections. Fuel storage tanks, piping, and equipment are painted with a color or combination of colors that correspond to the API chart to reflect what fuels are stored in the tank andor what equipment can be used to load and unload the product. Benefits of the

grades in product handling by means of colors, symbols, andor graphics and text designs. Some of the notable changes from the 3rd edition to the 4th edition are the following 1. A white cross symbol on red or blue backgrounds or a black cross symbol on a white background to identify unleaded gasoline is no longer required. 2.

Figure 1Equipment Color-Symbol System Part 1 API Recommended Practice 1637 Figure 1, 2, amp 3 - quotEquipment Color Symbol Systemquot Reproduced courtesy of the American Petroleum Institute from API Recommend Practice 1637, Fourth Edition, April 2020.

DEF AUS 32, ARLA32 Diesel ExhatFt Fluid Marine-grade DEF AUS 40 No, 2 Fuel Oil Oil Wells Other Recovery Denatured Ethanol Designation Color Cobalt Blue Oark Dark Dark een LOht gray Ora rge Purple Symbol Description Cobalt b and a collar label that states quotAUS 32quot..ARLA32 Cobalt b and a abel that ltates Exhaust F Or Dark Green w92th

Diesel exhaust fluid also referred to as DEF or AUS 32 is injected into the diesel exhaust stream and the heat from the exhaust, the fluid, and a catalyst convert the NOx into the harmless gases. Diesel exhaust fluid is a 32.5 solution of technically pure urea in purified water.

www.api.org. Diesel Exhaust Fluid. The API Diesel Exhaust Fluid DEF Certification Program is a voluntary program designed to certify and monitor the quality characteristics of diesel exhaust fluid intended for use in motor vehicles with diesel engines. The Diesel Exhaust Fluid Program is backed by a monitoring and enforcement

The purpose of the API color coding system is to properly mark equipment used in the storage of bulk petroleum products such as regular unleaded gasoline, alcohol-blended fuels, diesel fuel, diesel exhaust fluid DEF and biodiesel. Aviation fuel is not included in this labeling system.

The American Petroleum Institute API is the only national trade association that represents all aspects of America's oil and natural gas industry. Our more than 600 corporate members, from the largest major oil company to the smallest of independents, come from all segments of the industry.