ANSI Z21.21a-2001/CSA 6.5a-2001
Addenda 1 to ANSI Z21.21-2000/CSA 6.5-2000, Automatic Valves for Gas Appliances
Seuls les internautes situés au Canada peuvent voir ce document en ligne
détails du produit
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.