Single Blade Dampers for Low-Leakage and Shut-Off Applications
Air Systems fabricates custom single blade dampers in round and rectangular configurations from 6″ to 120″ for solvent-laden, paint-laden, and hot gas airstreams from -32°F to 1200°F.
Where multi-blade dampers bind or corrode, a single blade with the right seal holds leakage down to 0.5% — built to your exact duct dimensions.
Call 248-549-1105

- Temperature
- -32°F to 1200°FLow-temp through extreme high heat
- Leakage
- Down to 0.5%Rated from 5% to 0.5%
- Actuation
- Manual or AutomaticElectric, pneumatic, or hydraulic
- Materials
- Materials of ConstructionCarbon Steel, Stainless Steel, Aluminum
Spray booth exhaust, RTO systems, oven bypass, and dust collector isolation applications where leakage past the blade seal is not acceptable and multi-blade dampers can bind or corrode.
How Single Blade Dampers Are Built & Configured
Multi-blade dampers can bind or corrode in high-temperature, solvent-laden, and paint-laden airstreams. We fabricate single blade dampers to your exact duct dimensions, with seal options and a temperature range that cover spray booth, RTO, oven bypass, and dust collector duty.
- 01 Swing thru, metal to metal, metal step, scissor, and tadpole seal configurations
- 02 Carbon steel, stainless steel, and aluminum for ambient through abrasive airstreams
- 03 Manual operation or electric, pneumatic, and hydraulic actuation
- 04 Enclosed blade option keeps the blade inside the body in the open position
- 05 Factory insulation, field insulation provisions, and epoxy or powder coat finishes
- 06 Round or rectangular from 6" to 120", horizontal or vertical airflow
Why Air Systems
Single blade dampers for RTO, spray booth, and oven exhaust applications require design-to-application engineering, not catalog selection. We build, assemble, and test every order in-house.
In-house design staff handle drawing turnaround, with 3D scaled drawings available for installation planning and contractor coordination. Standard lead time quoted within 24 hours of request.
Frequently Asked Questions
What is the operating temperature range for Air Systems single blade dampers?
Single blade dampers are designed for operating temperatures from -32°F to 1200°F.
Can the damper blade be enclosed within the body in the open position?
Yes, dampers can be built so the blade does not swing outside the body regardless of size or shape.
Is quick ship delivery available for single blade dampers?
Yes, quick ship is available with delivery in as few as three days.
What coating options are available for single blade damper bodies?
Prime coated interior and exterior, epoxy, powder coat, or any combination of special coatings inside or outside the airstream are available.
Get a Single Blade Damper Built to Your Stack
Provide your duct dimensions, airstream type, operating temperature, seal preference, and actuation type and get a detailed quote within 24 hours. Quick ship available for urgent requirements.
- Duct dimensions and configuration (round or rectangular)
- Airstream type and operating temperature
- Seal preference
- Actuation type (manual, electric, pneumatic, or hydraulic)
Send Us a Sketch
Give us the duct diameter and a photo or sketch — we'll spec your damper. Detailed quote within 24 hours.
We don't share your information. A factory application engineer will follow up directly.
