JIS S 3200-4:1997
JIS S 3200-4:1997
Equipment for water supply service - Test method of prevention from back current
Japanese Standards Association
Equipment for water supply service - Test method of prevention from back current
Japanese Standards Association
This Standard specifies the test method of prevention from back current of the equipment for water supply service including the valves such as water tap faucets and pressure reducing valves, storage type electric water heaters, gas-fired water heaters, and kerosene-fired water heating equipment of the specification for cold area.
Document Type | Standard |
Status | Current |
Publisher | Japanese Standards Association |