3" Chain Anti Back-up Device, Part # 8704 bars X-348 chain components are drop

X-348 chain components are drop forged from high-strength steel

Click here for part dimensions and more information

Trolleys are equipped with a triple labyrinth seal and wheels are bolted for easy replacement

two backup bar studs and four backup bar nuts

3" Chain Anti Back-up Device, Part # 8704 bars X-348 chain components are dropDesigned for 3 I beam systems, these anti backup devices prevent trolleys from rolling backwards on vertical inclines. Anti backup stop arms are mechanically lifted by the passing trolley brackets as they ride up the incline. Should the power fail, the stop arms will provide a positive stop. Stop arms are equipped with rubber bumpers to reduce noise. Ships in: 3 5 days Click here for part dimensions and more information. Can't find a part? All of