... 3.Stable and reliable running 4.Long service life TD,TH,TB,DG series bucket elevator is ... conveyor belt with high tensile strength, long service life.3. The whole structure is simple, easy to ... high tensile strength and abrasion resistance, long service life.5. The machine is fitted with anti-reverse ... the blockage caused by power failure.6. Speed detector and off track alarm sensor are optional.7. ...