CAN ULC-S661-2010 (R2016)

$34.45

Standard for Overfill Protection Devices for Flammable and Combustible Liquid Storage Tanks

Published By	Publication Date	Number of Pages
ULC	2010	20

Guaranteed Safe Checkout

Category: ULC

If you have any questions, feel free to reach out to our online customer service team by clicking on the bottom right corner. We’re here to assist you 24/7.
Email:[email protected]

Description

This First Edition National Standard of Canada has been reaffirmed effective March 2016. There have been no technical changes made to the Standard.

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

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 proven suitable for use with the specific liquid(s) for which the device is intended, by additional testing in accordance with Section 5.4, Immersion Test, using the specific liquid(s) .

An overfill protection device shall function as one of the following:

A Automatic sensing device for interconnection with shutoff equipment or alarm devices acceptable to the authority having jurisdiction;

B Automatic overfill shutoff device of float valve or other mechanical type; or

C Overfill alarm devices of the audible or combined audible and visual types.

The shutoff device referred to in Sub-clause 1.4 (B) shall operate according to its type of application:

• Pressure filled; or

• Gravity filled.

Additional information