Standard Construction
Frame: 10" x 2" x 10 gauge (254 x 54 x 3.5) galvanized steel channel.
Blades: 16 gauge (1.5) galvanized double skin airfoil.
Axles: 3/4" (19) solid steel.
Blade Lock: Spring plunger to lock blades in closed position after blast event.
Linkage: 3/16" (5) thick x 3/4" (19) wide steel bars.
Bearings: Relubricatable ball bearing bolted to frame.
Finish: Mill.
Minimum Size: 6" x 6" (152 x 152)
Maximum Size:
Single Section: 36" x 96" (914 x 2438)
Multiple Section: 72" x 96" (1829 x 2438)
Ratings
Maximum Blast Pressure: Up to 15 psi
Maximum Velocity: Up to 4,000 fpm (20.3 m/s)
Temperature:
Minimum: -40oF (-40oC)
Maximum: 250oF (121oC)