- Frame Material
- Galvanized G-90
- Blade Material
- Galvanized G-90
- Duct Shape
- Rectangular / Square
- Control Type
- Motorized or Manual
- - 12
- Nylon Bearing [Bushings]
- - 08
- Stainless Steel Jamb Seals
- - 14
- Stainless Steel Bearing Pins (Axles) Straps and Control Rod
- - 18
- All (304) Stainless Steel Hardware
- - 13
- Stainless Steel Bearings (Bushings)
- - 87
- 304 Stainless Steel Construction
- - 86
- Aluminum Construction (.063" Aluminum)
- - 24
- Right Angle Mixing Set-up, Internal Linkage
- - 07
- Stainless Steel Blade Edge Seals
- - 27
- Face & Bypass Set-up Vertical, External Linkage
- - 26
- Face & Bypass Set-up Vertical, Internal Linkage
- - 21
- Construction with Blades of Width Approx. 6"
- - 15
- Stainless Steel Brackets, Pivots, Rods
- - 20
- Vertical Blades (Blades run parallel to 'A' dimension)
- - 25
- Right Angle Mixing Set-up, External Linkage
- - 28
- Face & Bypass Set-up Horizontal, Internal Linkage or Jackshaft Only
- - 79-A
- Heavy Frame (.1 25 Extruded Alum. Frame (8 ga.) - .081 Alum. Blades)
- - 82
- 14 Gauge Construction
- - 89
- Sleeve up to 16" deep , .18 ga galv. , Specify depth in comments (Min. list $70)
- - 10
- 1" Channel Frame (For 1" Internal Duct Insulation)