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  • CSA ANSI Z21.22-1999/4.4-M99

CSA ANSI Z21.22-1999/4.4-M99

Relief Valves for Hot Water Supply Systems

CSA Group, 04/01/1999

Publisher: CSA

File Format: PDF

$119.00$239.77


Published:01/04/1999

Pages:33


1.1 Scope 1.
1.1 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 valves for use

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