◆Material: galvanized steel 

◆Size: W*H with duct size 

◆Characteristic:

1. Normally in the normally closed state, the smoke sensor sends an electrical signal (DC24V) through the control center during the fire. The electromagnet in the actuator energizes, the valve automatically opens and outputs the open signal. After the valve is actuated, the manual wire rope is reset remotely.

2. Can interlock control with related equipment.