The windpipe check valve installed in. When air blower runs, the valve open and airflow can pass smoothly; when air blower stops, the valve close in order to prevent airflow from reversion.
Fire damper :
1) Material: galvanized steel plate
2) Automatic shutoff when pipeline temperature reaches 70
fire damper:
1) Material: galvanized steel plate
2) Automatic shutoff when pipeline temperature reaches 70deg
3)open manually
Delivery Time: | 20DAYS AFTER LC OR TT DATE |
Package: | AS TO THE CUSTOMER'S REQUIREMENTS |
Supply Ability: | 20000 Piece/Pieces per Month |
Minimum Order Quantity: | 100 Piece/Pieces |
Payment Terms: | L/C,T/T |
Port: | QINGDAO OR YANTAI |
FUNCTION: | FIRE PROOF |
SHAPE: | SQUARE |
MATERIAL: | galvanized steel plate |
Model Number: | FYFH-2F |
Brand Name: | RH |
Place of Origin: | Guangdong China (Mainland) |