Fire damper
- product brand:yida
- رقم الكشك：B3D11
- product specification:
- product category:Assembly Supplies for Refrigeration and Air Conditioning-Valves-
- product introduction:For application on wall-penetrating ducts of ventilation and air conditioning systems with fire protection requirements, to prevent the spread of fire along the ductwork.
1. Normally open; the valve closes automatically when the 70°C fuse actuator is triggered.
2. Can be manually opened or reset.
3. Allows manual adjustment of the blade opening angle within a range of 0 to 90 degrees.
4. Provides a valve closure signal; output of the signal can be customized based on user needs.
