Blade Type Fire Damper

   

*UL 555 Ratings,
*Maximum Dynamic Closure Velocity:2000fpm(10m/s),
*Maximum Rated Pressure:6.0in.WC(1.5kPa)
*Fire Resistance Rating:3HR,
*Fuse Link:160 ~350F (71 ~177 degree )
*Minimum Size:12'x8'(305 x 203 mm);
*Maximum Size:36'x36'(914 x 914mm)

ul damper

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