Shopping Cart

No products in the cart.

BS ISO 817:2014+A2:2021

$198.66

Refrigerants. Designation and safety classification

Published By Publication Date Number of Pages
BSI 2021 68
Guaranteed Safe Checkout
Categories: ,

If you have any questions, feel free to reach out to our online customer service team by clicking on the bottom right corner. We’re here to assist you 24/7.
Email:[email protected]

This International Standard provides an unambiguous system for assigning designations to refrigerants. It also establishes a system for assigning a safety classification to refrigerants based on toxicity and flammability data, and provides a means of determining the refrigerant concentration limit. Tables listing the refrigerant designations, safety classifications and the refrigerant concentration limits are included based on data made available.

PDF Catalog

PDF Pages PDF Title
2 National foreword
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms, definitions, abbreviated terms and symbols
3.1 Terms and definitions
14 3.2 Abbreviated terms
3.3 Symbols
15 4 Numbering of refrigerants
18 5 Designation prefixes
5.1 General prefixes
19 5.2 Composition-designating prefixes
20 6 Safety classifications
6.1 General
6.1.1 Safety classification — Composition
6.1.2 Toxicity classification
6.1.3 Flammability classification — General
22 6.2 Matrix diagram of safety group classification system
7 Refrigerant classifications
8 Refrigerant concentration limits
8.1 General
23 8.1.1 General
24 8.1.2 Oxygen deprivation limit (ODL)
8.1.3 Flammable concentration limit (FCL)
25 8.2 Data for calculations
8.2.1 Data sources
8.2.2 Consistent measures
8.3 Contaminants and impurities
8.4 Conversion of units — Volumic mass and altitude adjustment
26 9 Harmonization process
28 Annex A (informative) Examples of isomer designation
30 Annex B (normative) Details of testing for flammability and fractionation analysis
34 Annex C (informative) Method of test for burning velocity measurement of flammable gases
56 Annex D (normative) Calculation of ATEL for blends
58 Annex E (informative) Data used to determine safety classification and RCL values and data for unclassified refrigerants
59 Annex F (normative) Application instructions
66 Bibliography
BS ISO 817:2014+A2:2021
$198.66