Codes & Standards - Purchase
ANSI Z21.21a-2001/CSA 6.5a-2001
Addenda 1 to ANSI Z21.21-2000/CSA 6.5-2000, Automatic Valves for Gas Appliances
SKU: 2415274
Published by CSA Group
Publication Year 2001
4 pages
Withdrawn
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Product Details
Scope
Details test and examination criteria for individual automatic valves, valves utilized as parts of automatic gas ignition systems, or the automatic valve functions of combination controls, which have maximum operating pressure ratings of 1/2 psi, (3.5 kPa), 2 psi, (13.8 kPa), 5 psi, (34.5 kPa) or higher than 5 psi (34.5 kPa) in 5 psi (34.5 kPa) increments up to and including a maximum operating pressure of 60 psi (413.7 kPa). This standard does not apply to self-contained automatic gas shutoff valves for hot water supply systems.
Details test and examination criteria for individual automatic valves, valves utilized as parts of automatic gas ignition systems, or the automatic valve functions of combination controls, which have maximum operating pressure ratings of 1/2 psi, (3.5 kPa), 2 psi, (13.8 kPa), 5 psi, (34.5 kPa) or higher than 5 psi (34.5 kPa) in 5 psi (34.5 kPa) increments up to and including a maximum operating pressure of 60 psi (413.7 kPa). This standard does not apply to self-contained automatic gas shutoff valves for hot water supply systems.