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18X18 Parallel Blade Low Leak Air Control Damper- Shoemaker 3000-PLL

SKU: 140918

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About the Shoemaker 4500-3000PLL-18X18

Shoemaker 4500-3000PLL-18X18 Step Down Round Diffuser gives you steel construction, a design ideal for residential and light commercial application, and a 360-degree air stream, making it perfect for any home.

Product Details

Product: Vents and Terminations
Manufacturer: Shoemaker
Use: Ducting and Venting
Mpn # 4500-3000PLL-18X18
Weight 12.96 lbs.

Product Features

  • 16-gauge galvanized channel frame
  • Parallel blades are vee-stiffened 16-gauge galvanized for strength and stability
  • Blades pivot on non-metallic celcon bushings
  • 1/2" square zinc-plated steel pivot pins
  • 1/2" square zinc-plated steel adjustable operating shaft extending up to 4 inches beyond the air control frame
  • Stainless steel jamb seals
  • Blade-to-blade neoprene seals
  • 3% maximum leakage with a pressure differential 3" w.c.
  • Mill finish
  • Single blades on dampers with a height of 12"or less
  • Optional 12-gauge galvaneal construction
  • Optional Flat head and sill frame construction
  • Optional extended square operating shaft (extending 7-1/2" 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 fractional and odd sizes available
  • Call us, if desired, to order optional 3100 Series Face and By-pass Air Control Dampers


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