Fabric expansion joint round duct type u-belt
Fabric expansion joint rectangular duct type u-belt
Fabric expansion joint with cavity insulation pillow round duct type flat belt
Fabric expansion joint with cavity insulation pillow rectangular duct type flat belt
A. GAS SEAL MEMBRANE
B. INSULATING LAYERS
C. INSULATING RETAINER LAYER
D. BACK UP BARS
E. METAL LINER OR BAFFLE
F. ACCUMULATION BAG
G. FABRIC ATTACHMENT FLANGES
H. GASKET