ANSI/CAN/UL/ULC Flow Control Valves for Anhydrous Ammonia and LP-Gas

Available format(s)

Hardcopy

Language(s)

English - French, English, French

Published date

07-27-2020

Publisher

Underwriters Laboratories

This revision of ANSI/CAN/UL/ULC 125 dated August 26, 2021 is issued to reinstate exceptions to clause 8.2, and update references in 8.6 and 8.7.

These minimum requirements cover the following types of anhydrous ammonia and liquefied petroleum gas (LP-Gas) valves that are used to control the flow of liquid and/or vapor into and out of containers, or in piping systems between containers, or between containers and utilization equipment, and are for use at temperatures within the range of -40 °C (-40 °F) to 55 °C (130 °F): a) Shutoff Valves (primary or secondary, and manual or automatic), b) Excess Flow Valves, c) Back Pressure Check Valves, d) Filler Valves, e) Vapor Return Valves, f) Actuated Liquid Withdrawal Excess-Flow Valves, g) Multiple function valves, h) Internal valve, i) Emergency shutoff valve, j) Lever operated transfer valve, and k) LP-Gas Hose Nozzle Valve.

DevelopmentNote	NEW CHILD REV 1 2021 IS NOW ADDED
DocumentType	Standard
Pages	0
ProductNote	NEW CHILD REV 1 2021 IS NOW ADDED
PublisherName	Underwriters Laboratories
Status	Current