CSSI manufactures PVC and CPVC butterfly and gravity dampers, and blast gates to regulate the air flow in ventilation systems.

 

  They are available in a variety of stock sizes or may be custom made to suit your needs. 

 

Also available are our half saddle dampers.

 

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   About our Dampers:

• Fabricated from PVC and CPVC Duct and Sheet

• PVC and CPVC are UL-94 Rated

• CPVC is FM-4910 Approved for Cleanrooms

• In Stock or Short Delivery Time

• Corrosion Resistant

 

 

Butterfly Dampers

 

 

• Graduated Locking for Variable Damper Opening

• Rugged Lever Mechanism

• Internal Stops Minimize Air Leakage

 

 

 

Blast Gates

 

• Sizes up to 54 Inches

• Fit in Narrow Spaces

• Larger Sizes Have Tapered Edges for Easier Sliding 

 

 

 

Gravity Dampers

• Available with Flanged Ends or Socket Ends