• ULC 661

ULC 661

  • Standard for Overfill Protection Devices for Flammable and Combustible Liquid Storage Tanks (CAN/ULC S661-10)
  • standard by Underwriters Laboratories of Canada, 12/01/2010
  • Category: ULC

$166.00 $83.00

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.
PDF

All of our standards document are available in PDF (Portable Document Format), an electronic, downloadable format.You will be able to download the file in your account downloads.

Multi-User Access

After purchasing, you have the ability to assign each license to a specific user.

Printable

At any time, you are permitted to make printed copies for your and your members' reference use.

ULC CAN4-S124-M85(R2000)

ULC CAN4-S124-M85(R2000)

Standard Method of Test for the Evaluation of Protective Coverings for Foamed Plastic..

$87.00 $173.00

ULC ORD-C634-86

ULC ORD-C634-86

Guide for the Investigation of Connectors and Switches for Use with Burglar Alarm Systems..

$80.00 $160.00

ULC 639

ULC 639

Standard for Steel Liner Assemblies for Solid-Fuel Burning Masonry Fireplaces (CAN/ULC S639)..

$73.00 $146.00

ULC S102.2-1988

ULC S102.2-1988

Surface Burning Characteristics of Flooring, Floor Covering and Miscellaneous Materials..

$82.00 $164.00