Shoemaker Manufacturing - Manufacturing Quality Grilles, Registers and Diffusers Since 1947

Quality Grilles, Registers and Diffusers Since 1947

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Opposed blade operation for precise volume control
16 gauge galvanized channel frame
Galvanized blades are vee stiffened for extra strength and stability
Blades pivot on high temperature nylon bushings
1/2" square zinc plated steel pivot pins
1/2" square zinc plated steel adjustable operating shaft, extending up to 4" beyond the air control frame
Blades run parallel to first dimension given
Blades must be operated on horizontal plane
Minimum size 8"x8"
Maximum one piece size 48"x48"
Galvanized Finish

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Finishes

Options (must specify when ordering)

Submittals (Technical Data/Revit)

Cross Reference

Low Leak Package: features stainless steel jamb seals, blade to blade neoprene seals, and 3% maximum leakage with a pressure differential 3" W.C. (3000OBDLL)
Air control damper with aluminum airfoil blades. The airfoil blade design provides excellent pressure drop performance over standard blade design.
12 gauge galvaneal construction
Extended square operating shaft (extending 7-1/2" beyond the air control frame)
Round operating shaft (1/2" diameter)
Spring opening damper
Spring closing damper
Oil impregnated bronze bearings
Outside mounting flange
Direct mount damper motors (Field installed.) Mounts on operating shaft. Standard operating shaft position is bottom right, back side of damper blades when viewed from face of the product.
Fractional and exact O.D. dimensions