Residential Electric Door and Gate Operators Commercial-Industrial Trolley type-ceilling, Wall Mounts, B1-Parting, Sliding Doors Electric Operators Waterproof Trolley Type-Ceillling and Jack-Shaft-Wall Mount Explosion-proof Trolley Type-Ceillling and Jack-Shaft-Wall Mount Sliding Gate Electric Operators Swing Gate Electric Operators Trafic control barriers To control of vehicular traffic in private and public parking areas. Rolling &Fire Doors Rolling Service Doors & Fire Doors. Jack Shaft - Wall Mount Accessories Different accessories for your needs Safety Devices Reverse Systems and Sensor Entry-Exit Devices Loop Detectors, Card Reader and more Operating Controls   Modifications   Special applications   Electro-Pneumatic Reversing Weatherstrip For protection of vehicles and people the bottom edge of any upward acting door may be provided with an electro-pneumatic reversing weatherstrip. It can also be used on sliding doors or gates, where it would be installed vertically, fastened to the leading edge. The electro-pneumatic reversing weatherstrip consists of an extruded neoprene astragal, and an extruded aluminium retainer. Flexible air hose, adjustable electric air switch and retractable cord. Operating voltage is 24V A.C. or 120V A.C. Part No. 50040 With cable-reel in lieu of retractable cord. Part No. 50050 This electro-pneumatic weatherstrip can be used to stop door without any modification to existing electric door operator wiring. Part No. 50045