UL 125-2020 pdf free download.Flow Control Valves for Anhydrous Ammonia and LP-Gas.
3.3 A component shall be used in accordance with its rating established for the intended conditions of use.
3.4 Specific components are incomplete in construction features or restricted in performance capabilities. Such components are intended for use only under limited conditions, such as certain temperatures not exceeding specified limits, and shall be used only under those specific conditions.
4 Units of Measurement
41 Values stated without parentheses are the requirement Values in parentheses are explanatory or
approximate information.
5 Reference Publications
5.1 The documents shown below are referenced in the text of this Standard. Unless otherwise stated elsewhere in this Standard such reference shall be considered to indicate the edition and/or revisions of the document available at the date on which the Committee approved this ULJULC Standard.
Documents Published by the American Society of Mechanical Engineers (ASME)
3 Park Avenue, New York, NY 10016-5990 U.S.A.
Telephone: 800-843-2763
www.asme.org
• ASME B1.20.1, Pipe Threads. General Purpose (Inch)
• ASME B36.1OM, Welded and Seamless Wrought Steel Pipe
Documents Published by the American Society for Testing and Materials (ASTM)
100 Barr Harbour Drive, West Conshohocken. PA 19428-2959 U.S.A.
Telephone: (610) 832-9585
www.astm.org
• ASTM B858, Standard Test Method for Ammonia Vapor Test for Determining Susceptibility to Stress Corrosion Cracking in Copper Alloys
• ASTM G155, Standard Practice for Operating Xenon Arc Light Apparatus for Exposure of Non-Metallic Materials
• ASTM D1835, Standard Specification for Liquefied Petroleum (LP) Gases.UL 125 pdf download.