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Model Series 4800 Rectangular, Airfoil Blade

Model 4875: 12 Ga. Frame, 2 x 16 ga. Blades......Model 4885: 10 ga. Frame, 2 x 12 ga. Blades

FRAME:  Model 4875:8”x 2”x 12 ga. (203 x 51 x 2.8) galvanized steel channel.

                Model 4885: 8”x 2” x 10 ga. (203 x 51 x 3.5) galvanized steel channel.

BLADES: Model 4875: 2 x16 ga. (1.6) galvanized steel formed airfoil; Model 4885: 2 x 12 ga. (2.8) (2 x 10 ga. [3.5] for blade      widths 48” and over). Approx. 6” (152) to 8” (203) wide depending on size. Parallel or opposed operation.

LINKAGE:Side linkage, concealed out of airstream. Heavy duty plated steel tie bars and galvanized steel clevis arms.

AXLES: Model 4875: ¾” (19) dia. plated steel. Model 4885: ¾” (19) dia. (1” [25] dia. for blade widths 48”[1219] and over).

BEARINGS: Stainless steel sleeve/housing externally bolted to frame.

DRIVESHAFT: ¾” (19) or 1” (25) diameter (see AXLES above) plated steel. Extends to 8” (203) beyond frame.

FINISH: Mill galvanized.

MINIMUM SIZE: Single blade: 6” x 6” (152 x152).

                             Two blades: 6” x 12” (152 x 305).

MAXIMUM SIZE: 60” x 96” (1524 x 2438). Contact factory for larger sizes. 

 

□  Type 304 Stainless Steel construction

□  Type 316 Stainless Steel construction

□  Type 304 Stainless Steel Axles only

□  External Bolt-On Ball Bearings

□  External Bolt-On Ball Bearings with Seal

□  Outboard Bearings with Adjustable Shaft Seal

□  EPDM Blade Seals (Max. 250⁰F [121⁰ C])

□  Silicone Blade Seals (Max. 400⁰F [204⁰C])

□  Stainless Steel Jamb Seals

□  Non-standard Flanges: 1 ½” (38) to 4” (102). 

□  Bolt Holes in One Flange            □  Bolt Holes in Both Flanges

□  Heavy Duty Manual Locking Quadrant

□  Factory Supplied Actuator. Specify _______________________ .
                                                              • Epoxy Coated Frame and Blades  

For special variations or options not shown, contact factory. 

Ventex