बिक्री के बाद सेवा
ऑनलाइन तकनीकी समर्थन
परियोजना समाधान क्षमता
कोई भी
उत्पत्ति के प्लेस
Zhejiang, China
मॉडल संख्या
back draught damper
Type
Volume Control Round Fire Damper
Material
The casing use galvanized steel, the blades are made of aluminium
Surface finish
Galvanization
Contruction
With a inner foam seal for better tightness and noise reducti.
Use
Preventing the reverse of air-flow in circular duct systems.
working principle
Damper will open when blades are exposed to over pressure
Installation
Shall be installed to prevent back draught when the fan stops.
Keyword
back draught damper
