Arnold Company: Logo Arnold Company
2955 Trico Drive
Trenton, Illinois 62293
(800) 245-7505 (USA only)
(618) 224-7505
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Home » Hopper Gate Openers » "Demon Fly" - Beam Mounted Door Demon®
"Demon Fly" - Beam Mounted Door Demon®
QUICK DESCRIPTION: The "Demon Fly" is a electric powered traversing beam mounted unit that features a manually set height adjustment for varying capstan heights. Instant Quote

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Demon Fly - Rail Mounted Door Demon
Figure 1. "Demon Fly" - Rail Mounted Door Demon®

The Demon Fly can be used in both 3ph and 1ph applications. This motor is explosion proof under class II, groups F & G. They are both Hi/Lo voltage and 50-60 Hz motors with auto reset. Some Canadian applications may require a motor with different specifications.

This motor is connected to a hydraulic pump. This pump drives a the hydraulic motor that turns the power shaft. The standard shaft has one universal joint next to the motor. This gives the worker good control of the tip without it being fishy. The driving tip is a standard taper 1 ½” down to ¾”.


Key Safety Features
When Safety Matters...Choose a Door Demon Safe, Single-person Operation
Helps Prevent Employee Injuries
Lock Out/Tag Out Capability (OSHA Standard)
Powder-coated "Safety Yellow" for Increased Visibility
Removes Workers from Under Railcars During Unit Operation
Explosion Proof Electric Motor for Dust and Dirt Environments
Electric Motors are rated/approved for use in Class 1, Groups C & D, Division 1 as well as Class 2, Groups F & G, Division 2 facilities
Drive Controls Return to Neutral/Stop Upon Release
Safety Enclosed Kill Switch for Quick-and-Easy Shut Off
Stable Platform Allows for Predictable Performance
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Arnold Company • 2955 Trico Drive • Trenton, Illinois 62293 • (800) 245-7505 • (618) 224-7505 •
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