1 Scope

1.1 This Standard sets forth minimum requirements for electrically-, hydraulically-, or pneumatically-driven power-operated pumps for use with petroleum products in the following applications:

1. a) Self-contained flammable liquid dispensing devices and submerged pumps used in storage tanks that provide the petroleum product to remote control flammable liquid dispensing devices. They are intended for operation at discharge pressures of 345 kPa (50 psig), or the marked maximum discharge pressure rating, when less, with the ambient and liquid temperature within the range of minus 29 °C (minus 20 °F) to 52 °C (125 °F).

2. b) Flammable liquid dispensing systems to transfer the petroleum product from a tank or container to a vehicle or another container. They are intended for operation at the marked maximum discharge pressure, or less, with the ambient and liquid temperature within the range of minus 29 °C (minus 20 °F) to 52 °C (125 °F).

3. c) Vapor recovery applications for flammable liquid dispensing devices. They are intended to operate under a vacuum at the inlet and a maximum discharge pressure of 50 psig (345 kPa), or marked discharge pressure, whichever is less.

Summary of Topics

This new Eleventh Edition of ANSI/CAN/UL/ULC 79, dated May 31, 2024 is being issued as a new joint US/Canada Standard reflecting the latest ANSI and SCC approval dates and incorporating the proposal dated November 17, 2023 and March 15, 2024.