Full Description

This standard is intended to establish a simple means of referring to common refrigerants instead of using the chemical name, formula, or trade name. It also establishes a uniform system for assigning reference numbers and safety classifications to refrigerants. The standard identifies requirements to apply for designations and safety classifications for refrigerants, including blends, in addenda or revisions to this standard.

This standard is under continuous maintenance, which is a process ASHRAE uses to keep standards current through the issuance of addenda, or revisions. Please make sure the standard number and date of issue match your document.

When they are available, these addenda can be downloaded for free at the following page of the ASHRAE web site:
http://www.ashrae.org/technology/page/132.

When they are available, interpretations of the standard, issued by the sponsoring technical committee, also may be downloaded for free at the following address:
http://www.ashrae.org/technology/page/121

Errata lists are issued occasionally and may be downloaded for free at the following address:
http://www.ashrae.org/technology/page/120

Units: Dual