Adjustable stopper for a fusible link sprinkler head

Automatic on-off fire protection sprinkler

Automatic on-off fire sprinkler head

Fire fighting equipment

Fire sprinkler system and automatic shut-off valve therefor

Fire sprinkler with cutoff valve, tamper-resistant features...

Fire-sprinkler cut-off device

On-off type sprinkler

On/off sprinkler head with temperature responsive exhaust port v

Shut-off device for a sprinkler assembly

Shut-off device for a sprinkler assembly

Shut-off device for a sprinkler assembly

Shut-off device for an automatic sprinkler

Sprinkler head

Sprinkler head deactivating tool

Sprinkler head shut off tool

Sprinkler head shut-off mechanism

Sprinkler wedge

Sprinkler wedge

Sprinkler-sealing device