DL-I type fire damper actuator (formerly DL-I type adjustmen

Installed on fire damper, usually open, with 70 °C temperature sensor...

DL-II type exhaust valve (port) actuator (formerly DL-II typ

Installed on the exhaust valve or exhaust vent, normally closed, without a temperature sensor....

DL-IV type smoke exhaust fire damper actuator (formerly DL-I

Installed on the smoke exhaust fire damper, usually open, with 280 ° C temperature sensor....

DL-I type fire damper actuator (formerly DL-I-2 type small a

Installed on the fire damper, usually open, with 70 ° C temperature sensor....

DL-II type exhaust valve (port) actuator (formerly DL-II-2 t

Installed on the exhaust valve or exhaust vent, normally closed, no temperature sensor...

DL-IV type smoke exhaust fire damper actuator (formerly DL-I

Installed on the smoke exhaust fire damper, usually open, with 280 ° C temperature sensor...

DL-V-8 fire damper actuator (original electroless magnet mec

Installed on fire damper, usually open, with 70 °C temperature sensor...

DL-IV-8 exhaust fire damper actuator (formerly no electromag

Installed on the smoke exhaust fire damper, usually open, with 280 ° C temperature sensor...