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  • CSA ANSI Z21.22a-2000/CSA 4.4a-2000 (R2014)

CSA ANSI Z21.22a-2000/CSA 4.4a-2000 (R2014)

Addenda 1 to ANSI Z21.22-1999/CSA 4.4-M99, Relief Valves for Hot Water Supply Systems

CSA Group, 01/17/2001

Publisher: CSA

File Format: PDF

$58.00$116.00


Published:17/01/2001

Pages:5

File Size:1 file , 270 KB

Note:This product is unavailable in Russia, Ukraine, Belarus

This is a searchable PDF.

Scope

Details test and examination criteria for:

(1) Temperature relief valves and combination temperature and pressure relief valves for use on storage tanks of hot water supply systems without heater input limitation; (2) Valves having only pressure relief features for use on storage tanks of hot water supply systems with inputs up to and including 200,000 Btu per hour; (3) Automatic gas shutoff valves and devices; and (4) Vacuum relief valves.

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