CSA/AM - ANSI Z21.18-1981
GAS APPLIANCE PRESSURE REGULATORS SIXTH EDITION; ADDENDA Z21.18A - 1982, ADDENDA Z21.18B - 1984
|Publication Date:||1 January 1981|
The standards set forth herein apply to the sixth edition of the Standard for Gas Appliance Pressure Regulators, ANSI Z21.18-1981 and Addenda thereto, Z21.18a-1982, and supersede Corresponding standards therein. Following their preparation by the supervising subcommittee, they were accepted by American National Standards Committee Z21 and subsequently approved as American National Standard by the American National Standards Institure, Inc.