Airlocks
Utilizing an Imperial Systems, Inc. HD Airlock on a dust collection system allows for constant operation without the need to shut down and empty containers, minimizing employee exposure to dust and makes the system less susceptible to material back-up and filter damage.
Utilizing an Imperial Systems, Inc. HD Airlock on a dust collection system allows for constant operation without the need to shut down and empty containers, minimizing employee exposure to dust and makes the system less susceptible to material back-up and filter damage.
Heavy Duty Airlocks

Options
- Various voltage motor
- Variable speed selection
- Viton® wipers: Temperature Range is -14°F to 400°F
- Custom bolt patterns for inlet and outlets
- Custom transitions available
Features
- 3/8″ fiberglass reinforcement between each 3-ply rubber vane tip.
- Temperature Range is -20°F to 170°F
- Roller chain and sprocket drive including a heavy-duty gear reducer
- Round flanged inlet and outlet (Note: optional square inlet and outlet available at no extra charge)
- Premium Efficiency 2 HP Motor. 230/460/60 Hz/3 phase motor – UL Listed
- Sealed, 4-bolt flange outboard bearings
- Primed and painted industrial enamel
- Standard models are suitable for up to 24” W.C.
Advantages
- Engineered by the Dust Collection Experts
- Robust 3/8” Plate & 10 Gauge Carbon Steel Construction
- Precise, Strong Welds
- 8 Vane Removable Rotor
“Concerning the need for a flexible vane tip in addition to a close tolerant metal tip vanes for rotary valves my answer is as follows: The criteria for the vane tips are it must be at least 3-ply of rubber with fiberglass reinforcement between the plies of rubber and ⅜ in. thick.”
-FM Global
Low Profile Airlocks
Options
- Various voltage motor
- Variable speed selection
- Viton® wipers: Temperature Range is -14°F to 400°F
- Custom bolt patterns for inlet and outlets
- Custom transitions available
Features
- 3/16” Nitrile Rubber (Buna-N) Wipers: Temperature Range is -20°F to 170°F
- 6 vane removable rotor
- Roller chain and sprocket drive including a heavy-duty gear reducer
- Flange pattern is suitable for round or square connections
- Premium Efficiency 2 HP Motor. 230/460/60 Hz/3 phase motor – UL Listed
- Sealed, 4-bolt flange outboard bearings
- Primed and painted industrial enamel
- Standard models are suitable for up to 24” W.C.
Advantages
- Engineered by the Dust Collection Experts
- Robust 1/4” Plate & 10 Gauge Carbon Steel Construction
- Precise, Strong Welds
Cast Iron Airlocks

Advantages
- Easily retrofits into existing spaces
- NFPA-69 Tested and Certified
- Cast Iron Construction
- 8 Blade Rotors
- Sizes: 6, 8,10 and 12-inch square
Options
- Beveled Rotor Tips
- Motion Switch
- TEXP Motor (For use in hazardous environments)
- Flexible Rotor Tips
Fill out the form below to access the product literature.