Standard Code Name IAS

Standard Name

IAS/A.G.A.Z21.15

Manually operated gas valves for appliances, appliance connector valves and hose end valves first edition

IAS/A.G.A.Z21.21

Automatic valves for gas appliances first edition

IAS/A.G.A.Z21.22

Relief valves and automatic gas shutoff devices for hot water supply systems sixth edition

IAS/A.G.A.Z21.22A

Relief valves and automatic gas shutoff devices for hot water supply systems

IAS/A.G.A.Z21.70

Earthquake actuated automatic gas shutoff systems first edition, transferred to ASCE/HQ