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CSA/AM - ANSI Z21.22A-1983

RELIEF VALVES AND AUTOMATIC GAS SHUTOFF DEVICES FOR HOT WATER SUPPLY SYSTEMS

inactive
Organization: CSA/AM
Publication Date: 1 January 1983
Status: inactive
Page Count: 5
scope:

PREFACE

The standards set forth herein apply to the fifth edition of the Standard for Relief Valves and Automatic Gas Shutoff Devices for Hot Water Supply Systems, ANSI Z21.22-1979, and superesede 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 Institute, Inc

Document History

January 1, 2015
Relief valves for hot water supply systems
A description is not available for this item.
January 1, 2015
Relief valves for hot water supply systems
This Standard applies to the following types of relief valves constructed entirely of new, unused parts and materials: a) combination temperature and pressure relief valves for use on storage tanks...
Relief Valves for Hot Water Supply Systems
This standard applies to the following types of relief valves constructed entirely of new, unused parts and materials: a. Combination temperature and pressure relief valves for use on storage tanks...
Relief Valves for Hot Water Supply Systems
PREFACE The standards set forth herein apply to the first edition of the Standard for Relief Valves for Hot Water Supply Systems, ANSI Z21.22-1999 · CSA 4.4-M99, and Addenda ANSI Z21.22a-2000 · CSA...
January 1, 2001
Relief Valves For Hot Water Supply Systems
This standard applies to the following types of relief valves constructed entirely of new, unused parts and materials: a. Combination temperature and pressure relief valves for use on storage tanks...
Relief Valves for Hot Water Supply Systems
PREFACE The standard set forth herein apply to the first edition of the Standard for Relief Valves for Hot Water Supply Systems, ANSI 221.22-1 999 . CSA 4.4-M99, and supersede corresponding...
RELIEF VALVES FOR HOT WATER SUPPLY SYSTEMS
The standard set forth herein apply to the first edition of the Standard for Relief Valves for Hot Water Supply Systems, ANSI Z21.22-1999 · CSA 4.4-M99, and supersede corresponding standards therein....
January 1, 2000
RELIEF VALVES FOR HOT WATER SUPPLY SYSTEMS
PREFACE The standard set forth herein apply to the first edition of the Standard for Relief Valves for Hot Water Supply Systems, ANSI Z21.22-1999 · CSA 4.4-M99, and supersede corresponding standards...
April 1, 1999
Relief Valves for Hot Water Supply Systems
PREFACE This publication represents a basic standard for safe operation, substantial and durable construction, and acceptable performance of relief valves for hot water supply systems. It is the...
April 1, 1999
Relief Valves for Hot Water Supply Systems
This standard applies to the following types of relief valves constructed entirely of new, unused parts and materials: a. Temperature relief valves and combination temperature and pressure relief...
Relief Valves for Hot Water Supply Systems
This standard applies to the following types of relief valves constructed entirely of new, unused parts and materials: a. Temperature relief valves and combination temperature and pressure relief...
January 1, 1999
RELIEF VALVES FOR HOT WATER SUPPLY SYSTEMS
PREFACE This publication represents a basic standard for safe operation, substantial and durable construction, and acceptable performance of relief valves for hot water supply systems. It is the...
January 1, 1990
Relief Valves and Automatic Gas Shutoff Devices for Hot Water Supply Systems
A description is not available for this item.
January 1, 1986
Relief Valves and Automatic Gas Shutoff Devices for Hot Water Supply Systems Sixth Edition
PREFACE This publication represents a basic standard for safe operation, substantial and durable construction, and acceptable performance of gas-fired gravity and fan type floor furnaces. It is the...
January 1, 1984
RELIEF VALVES AND AUTOMATIC GAS SHUTOFF DEVICES FOR HOT WATER SUPPLY SYSTEMS
PREFACE The standards set forth herein apply to the fifth edition of the Standard for Relief Valves and Automatic Gas Shutoff Devices for Hot Water Supply Systems, ANSI Z21.22-1979, and Addenda,...
ANSI Z21.22A-1983
January 1, 1983
RELIEF VALVES AND AUTOMATIC GAS SHUTOFF DEVICES FOR HOT WATER SUPPLY SYSTEMS
PREFACE The standards set forth herein apply to the fifth edition of the Standard for Relief Valves and Automatic Gas Shutoff Devices for Hot Water Supply Systems, ANSI Z21.22-1979, and superesede...
January 1, 1979
RELIEF VALVES AND AUTOMATIC GAS SHUTOFF DEVICES FOR HOT WATER SUPPLY SYSTEMS FIFTH EDITION; ADDENDA Z21.22A - 1983, ADDENDA Z21.22B - 1984
PREFACE This publication represents a basic standard for safe operation, substantial and durable construction, and acceptable performance for relief valves and automatic gas shutoff devices for hot...

References

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