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QB Double Girder Explosion Proof Overhead Crane
QB Double Girder Explosion Proof Overhead Crane
QB Double Girder Explosion Proof Overhead Crane is composed with Girder frame, Crane travel device, and the trolley with lifting and moving device. There are Pave the rail for the trolley move on the main girder.
QB type Explosion-Proof Double Girder Overhead Crane has the features of simple structure, strong rigidity; good in usability,easy to manufacture; normal speed or frequency control, stable traveling; the explosion-proof mark is ExdⅡBT4 or ExdⅡCT4; motor and other electrical parts should be chosen according to the explosion class.
Technical parameters of QB type explosion-proof double girder overhead crane:
| Mechanism item | Unit | Result | |
| Lifting cpacity | ton | 5-75 ton | |
| Lifting height | m | 1-22m | |
| Span | m | 10.5-31.5 m | |
| Working environment
temperture |
°C | -25℃~+40℃ | |
| Speed | Main hook | m/min | 1.86-5 |
| Auxiliary hook | m/min | 4.2-5.6 | |
| Trolley travellling | m/min | 10-20.5 | |
| Crane travelling | m/min | 9.88-22.3 | |
| Blast-Proof System | Exd Ⅱ BT4;(Exd Ⅱ CT4 ) | ||
| Power source | 3 Phase AC 50HZ 380V,on request | ||
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