Codes et normes - Achat
ANSI Z21.87-1999/CSA 4.6-M99 (R2004)
Automatic Gas Shutoff Devices for Hot Water Supply Systems
SKU: 2413995
Publié par CSA Group
Année de publication 1999
44 pages
Withdrawn
détails du produit
Scope
1.1.1
This standard applies to newly produced automatic gas shutoff valves and devices constructed entirely of new, unused parts and materials.
1.1.2
An automatic gas shutoff device shall operate when the temperature sensing element is at 210°F (99°C) or less. A device with a higher operating temperature is not acceptable under this standard.
1.1.3
Exhibit A contains provisions that are unique to the United States.
1.1.4
Exhibit B contains provisions that are unique to Canada.
1.1.5
Exhibit C contains a list of reference standards.
1.1.1
This standard applies to newly produced automatic gas shutoff valves and devices constructed entirely of new, unused parts and materials.
1.1.2
An automatic gas shutoff device shall operate when the temperature sensing element is at 210°F (99°C) or less. A device with a higher operating temperature is not acceptable under this standard.
1.1.3
Exhibit A contains provisions that are unique to the United States.
1.1.4
Exhibit B contains provisions that are unique to Canada.
1.1.5
Exhibit C contains a list of reference standards.