ULC CAN-S661

STANDARD FOR OVERFILL PROTECTION DEVICES FOR FLAMMABLE AND COMBUSTIBLE LIQUID STORAGE TANKS

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Publication Date: 12/01/2010 - Complete Document Changes Incorporated *

Description :

This Standard sets forth the minimum requirements for the construction and performance of overfill protection devices for installation in aboveground and underground flammable liquid and combustible liquid storage tanks. 

For the purposes of this Standard, flammable liquids and combustible liquids include gasoline, fuel oil, kerosene and diesel fuel, including gasoline with small amounts of additives such as detergents, solvents for detergents and anti-icing chemicals, diesel with up to 5% biodiesel (B5) and gasoline with up to 15% ethanol (E15) in accordance with, but not limited to, the following documents:

A CAN/CGSB 3.18, Diesel Fuel for Locomotive – Type Medium – Speed Diesel Engines

B CAN/CGSB 3.2, Heating Fuel Oil

C CAN/CGSB 3.3, Kerosene

D CAN/CGSB 3.517, Automotive (On-road) Diesel Fuel

E CAN/CGSB 3.520, Automotive Low-Sulphur Diesel Fuel Containing Low Levels of Biodiesel Esters (B1-B5)

G CAN/CGSB 3.6, Regular Sulphur Diesel Fuel

H CAN/CGSB 5.511, Oxygenated Unleaded Automotive Gasoline Containing Ethanol

I ANSI/ASTM D396, Standard Specification for Fuel Oils

K ANSI/ASTM D975, Standard Specification for Diesel Fuel Oils

M ASTM D2880, Standard Specification for Gas Turbine Fuel Oils

N ANSI/ASTM D3699, Specification for Kerosene

O ANSI/ASTM D4814, Standard Specification for Automotive Spark-Ignition Engine Fuel B

S ASTM D6227, Standard Specification for Grade 82 Unleaded Aviation Gasoline

T ASTM D6448, Standard Specification for Industrial Burner Fuels from Used Lubricating Oils (Industrial Burners) U ASTM D6823, Standard Specification for Commercial Boiler Fuels With Used Lubricating Oils V ASTM D6985, Standard Specification for Middle Distillate Fuel Oil – Military Marine Application 

The overfill protection devices shall be designated as Class I or II in accordance with the liquids they are intended to contain, as listed below:

A Class I devices shall be suitable for use with flammable liquids and combustible liquids, described in Clause 1.1.1; and

B Class II devices shall be proved suitable for use with the specific liquid(s) for which the device is intended, by additional testing in accordance with Subsection 6.4, Immersion Test, using the specific liquid(s).

NOTE: Overfill protection devices with materials made with exposed zinc or brass in the wetted area should not be used with jet fuels. Zinc or brass materials used for this application that are nickel plated in accordance with UL 87A, Outline for Power-Operated Dispensing Devices for Gasoline and Gasoline/Ethanol Blends with Nominal Concentrations Up to 85% (E0-E85), are considered acceptable.

Document Type : Complete Document

Edition : First Edition

Language : English

Page Count : 20

Publication Date : 12/01/2010

Revision : 1

Status : Current

Supplement : W/

Title : STANDARD FOR OVERFILL PROTECTION DEVICES FOR FLAMMABLE AND COMBUSTIBLE LIQUID STORAGE TANKS

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