Applications:

• Ideal for installations requiring a robust back draft damper for adjustable pressure relief.

• Counterweights are fully adjustable and can be set to relieve air pressure differentials less than .01" w.g.
• Counterweights are threaded and allow adjustments to be made with only one tool.
• Brackets are slotted to allow precision slide adjustment of the weights.
• TAMCO's aluminum construction provides a long, rust-free operational life.
• Aluminum pivot points are over-sized for additional strength and durability.
• Self-lubricating Celcon bearings ensure a maintenance-free and long-cycle life.
• Silicone seals are provided as standard to ensure sealing longevity and remain flexible down to -40° F/C.
• TAMCO's counterweighted back draft damper blades are securely linked via a large diameter aluminum linkage rod.
• TAMCO’s linkage and bearing systems combine to provide durable, maintenance-free performance.
• TAMCO's couterweighted back draft dampers are available in Front Flange, In Duct, or Rear Flange mounting types.
• Series 7000 Coutnerweighted Back Draft Dampers allow mounting for horizontal air flow and both air flow up and down operation.