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Article: Refrigerant numbering system explained.(REFRIGERATION ZONE: ice breaker)
- Article from:
- Air Conditioning, Heating & Refrigeration News
- Article date:
- November 3, 2008
- Author:
CopyrightCOPYRIGHT 2008 BNP Media. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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There are many different types of refrigerant used in our industry today. They are produced by several different manufacturers and have numerous ways of identification. One proper method of identification is referring to a refrigerant by its ANSI/ ASHRAE designation.
This standardized numbering system was first developed by E.I. DuPont and released for general use in 1956. Since then it has been adopted by ANSI/ASHRAE as part of Standard 34 (Number Designation and Safety Classification of Refrigerants).
This numbering system allows a technician or engineer to easily identify the chemical composition of a refrigerant. Each digit of the numbering system ...