LB Type Single Girder Overhead Crane 20T A3 Explosion Proof Electric
LB type 3-20 ton explosion-proof single-beam bridge crane: motors, electrical appliances, electric hoist sports cars, rope guides,driving wheels and hoists are all explosion-proof.The structure of the explosion-proof single-girder overhead crane is the same as that of the ordinary LD electric single-girder overhead crane. Both are composed of a single main beam, end beam, and electric hoist, but it is explosion-proof.
The explosion-proof marks are ExdIIBT4 (three-level explosion-proof), ExdIICT4 (fourth-level explosion-proof).

| Technique parameters | |||
| Crane Traveling Mechanism | Working speed(m/min) | 20 | |
| speed ratio | 58.95 | ||
| motor | type | cone-squirre cage | |
| power(kw) | 2x0.8, 2x2.2, 1.5x2 | ||
| rotational speed(n/min) | 1380 | ||
| Lifting Mechanism & electric mechanism | Hoist Type | HB, BCD, BMD | |
| lifting speed(m/min) | 8, 7, 3.5 | ||
| lifting height(m) | 6, 9, 12, 18, 24 | ||
| traveling speed(m/min) | 20 | ||
| motor | cone squirre cage model | ||
| Working Class | A3 | ||
| Elecric current | 380V 50Hz three-phase | ||
| wheel diameter | Ø270, Ø370 | ||
| width of trail | 37~70mm | ||
| Explosion proof grade | Exd ll BT4, Exd ll CT4 | ||
1). Light structure,easy installation and maintenance;
2). Widely used in different places for hoisting such as factories,warehouses and material yards;
3). Reasonable structure,strong bearing capacity ;
4). Low noise, soft starting and stopping ;
5). Safe and reliable operation ;
6). Low cost maintenance, long working life;
7). Strong box type,welding by machine hand;
8). Wheels,wirerope drum,gears, couplings are processed by CNC manchine center, TOP quality control;
9). Heavy duty slipring motor,or Sq.cage motor with VVVF, IP54 or IP44,insulation class F or H,soft starting and smooth running;
10). Siemens main electric parts are used for durable and safe operation;
11). Prohibited to use in the environment with inflammable,explosive and corrosive media.
Are you interested in this LDA series single girder overhead crane?We are ready to quote for you according to your customizable paremeters as follows.
(kindly please provide the following information when sending enquiry to us.)
1. Lifting capacity :_____ton
2. Span :______meters (it is center to center distance between railways)
3. Lifting height :_____meters (it is the distance from center of hook to floor)
4. Travelling length:_____meters
5. Industrial voltage _____V, _____HZ, 3Phases
6. Control mode: Pendent or Remote control or cabin control?
7. Do you also need us to supply rail and bus bar: YES or NO?
8. What material to be lifted?
Welcome your requirements.
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