GB 797-1989
Automatic sprinkler systems performance requirements and methods of test for wet system alarm valves

Be replaced

Standard No.

GB 797-1989

Language

Chinese

Release Date

1989

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Replace By

GB 5135.2-2003

Lastest

GB 5135.2-2003

Scope

This standard specifies the performance requirements, test methods and inspection rules for wet alarm valves, retarders and hydraulic alarm bells. This standard applies to wet alarm valves, retarders, and hydraulic bells for automatic sprinkler systems. This standard does not apply to accessories other than wet alarm valves, retarders and hydraulic bells.

GB 797-1989 history

• 2003 GB 5135.2-2003 Automatic sprinkler system-Part 2: Wet system alarm valves、retard chamber、water motor alarm
• 1989 GB 797-1989 Automatic sprinkler systems performance requirements and methods of test for wet system alarm valves

GB 797-1989 Automatic sprinkler systems performance requirements and methods of test for wet system alarm valves was changed to GB 5135.2-2003 Automatic sprinkler system-Part 2: Wet system alarm valves、retard chamber、water motor alarm.