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32X20 Opposed Blade Low Leak Air Control Damper- Shoemaker 3000-OBDLL

SKU: 140446

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32X20 Opposed Blade Low Leak Air Control Damper- Shoemaker 3000-OBDLL

SKU: 140446

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About the Shoemaker 3000-0BDLL-32X20

This 32"x20" Shoemaker 3000-OBDLL is designed to fit and cover a 32" wide by 20" high opening. The quality and functionality of this damper are only two of the many reasons why Shoemaker Manufacturing leads the field in innovative air-grille design for real world applications. The Shoemaker 3000-OBDLL Series has a complete line of products designed for homes, offices, stores, and many other commercial applications. The Shoemaker Manufacturing Company leads the field in innovative air-grille design and it guarantees that its products are free from defective materials. This Shoemaker Opposed Blade Low Leak Air Control Damper 3000-OBDLL Series has a 16-gauge galvanized channel frame. It features opposed blade operation for accurate air flow control. The blades are of galvanized material and are vee-stiffened for added strength and stability. Additionally, the blades pivot on high temperature nylon bushings. This damper has ½” square zinc-plated steel pivot pins and a ½” square zinc-plated steel adjustable operating shaft that extends up to 4” beyond the air control frame. It features single blades on dampers with a height of 12” or less. This damper comes equipped with stainless steel jamb seals and blade-to-blade neoprene seals. The maximum leakage of this low leak damper is only 3% with a pressure differential of 3” water column. This opposed blade low leak air control damper comes with a mill finish. Its blades must be operated on a horizontal plane. This damper is available from a minimal size of 8"x8" to a maximum size of 48"x48". Please measure the opening size instead of measuring the face plate of your old damper. Please note that this damper is designed to fit over a 32"x20" existing hole or duct. Please refer to the Specification Sheet for more information about this product.

Product Details

Product: Vents and Terminations
Manufacturer: Shoemaker
Use: Ducting and Venting
Style: Opposed Blade Air Damper
Mpn # 3000-0BDLL-32X20
Weight 25.60 lbs.

Product Features

  • Opposed blade operation for precise volume control
  • 16 gauge galvanized channel frame
  • Blades are vee stiffened 16 gauge galvanized for strength and stability
  • Blades pivot on non-metallic celcon bushings
  • inch square zinc plated steel pivot pins
  • inch square zinc plated steel adjustable operating shaft extending up to 4 inches beyond the air control frame
  • Single blades on dampers with a height of 12 inches or less
  • Stainless steel jamb seals
  • Blade-to-blade neoprene seals
  • 3% maximum leakage with a pressure differential 3 inches w.c.
  • Mill finish
  • Optional 12-gauge galvaneal construction
  • Optional Flat head and sill frame construction
  • Optional extended square operating shaft (extending 7-1/2 inches beyond the air control frame)
  • Optional Spring closed or spring open dampers
  • Optional oil impregnated bronze bushings
  • Optional outside mounting flange
  • Optional 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.
  • Call us, if desired, to order optional 3000 Series Sleeves
  • Call us, if desired, to order optional 3100 Series Face and By-pass Air Control Dampers


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