Purchase Qty. Reference FOB Price
1-9 Pieces US$220.00
10+ Pieces US$200.00
Product Description
fire protection damper 70ºC fusible piece is fused, the valve is closed by its own weight, or manually reset by spring pull(the user can add output signal device if he has special requirements). 1.temperature control automatic closure 2. manual closure 3. manual reset 4. shut down ...