This short strap actuator is the perfect unit for opening and closing your vent doors. Hang it and forget about it. This does not require regular maintenance like a screw drive system does.
This is what the manufacture says about their unit. I say they are awesome and if I had my choice I wouldn' mess with another screw drive actuator.
- Most Powerful Curtain and Vent Machine
Pulls 2200 lbs x Speed 2.25 ft/min = Power 5000 ft lbs/min
(Compared to 5000 lbs x .25 ft/min = Power 1250 ft lbs/min)
- Heavy Duty Construction = Long Life
Heavy Duty Gears – Shafts - Bearings – Motor (1/3 hp)
Manufactured to Industrial Standards
- Simple Accurate Limit Switches
Smooth sliding adjustment pins on friction plates
- Internal Manual Open/Close Switches
For ease of setting limit switches - no extra power lead required
- Safety Switch
Internal safety switch - prevents overriding of the limit switches
- Printed Circuit Board
PCB circuitry instead of hand wired circuits - for greater reliability
- Totally Sealed and Lubricated For Life
No Regular Maintenance Required
