Maintain the 2nd pip of existing Pre-Action valve sprinkler system with depressurized air(vacuum) while it is filled with water.

Prevent water spraying damage due to the malfunction of sprinkler by intaking sprayed water by vacuum

Effect

It prevents water spraying damage due to the malfunction of sprinkler.

It prevents water spraying damage due to the corrosion of the piping.

It prevents water spraying damage due to the breakaway of the pipe from external forces such as an earthquake

It can supply excellent capacity for early suppression by omitting the time for discharge of gas when the existing Pre-Action sprinkler system is replaced by Vacuum-type wet pipe sprinkler system.

Applicable industry

Department Store / Semiconductor Factory / Clean Room / Power Plant / Computer Room/Other Facilities requiring measures against water spraying damage