Std

CSA ANSI Z21.22-1999

Relief Valves for Hot Water Supply Systems

standard by CSA Group , 01/01/1999

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Full Description

This standard covers the safe operation, substantial and durable construction, and acceptable performance of relief valves for hot water supply systems. Same as CSA 4.4-M99.
 

Product Details

Edition:
1
Published:
01/01/1999
 

Document History

  1. CSA 4.4-2015/ANSI Z21.22-2015 (R2020)


    Relief Valves for Hot Water Supply Systems

    • Most Recent

  2. CSA ANSI Z21.22-99/CSA 4.4-M99 (R2014)


    Relief Valves for Hot Water Supply Systems

    • Historical Version

  3. CSA ANSI Z21.22-1999/4.4-M99


    Relief Valves for Hot Water Supply Systems

    • Historical Version

  4. CSA ANSI Z21.22-1999

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    Relief Valves for Hot Water Supply Systems

    • Historical Version

  5. ANSI Z21.22a-1990


    Relief Valves and Automatic Gas Shutoff Devices for Hot Water Supply Systems

    • Historical Version