- Dawson Group Ltd. - China Manufacturer Supplier, Factory
Dawson conventional electric chain hoists are well accepted in various industrial fields.
In explosive atmospheres of various ignitable gases and vapors, special attention must be requires.
In such special atmospheres,
Dawson HHBDB Series Electric Chain Hoist are recommended.
Construction(Type d: Flameproof enclosures):
The section in the left figure shows the explosion-protected construction. Accordingly, electric parts have sufficient strength to with stand the internal pressure indicated in JB/T 10222-2011
Use of the environment:
1、altitude 1000 metres below sea level
2、the ambient air temperature is not higher than + 40℃, not less than-20℃
3、grid fluctuations in ± 40%
4、relative humidity not more than 95%, can prevent dripping occasion
5、plant groupings of category II B, T4 temperature within the explosive environment of 1 zones or 2 zones flameproof, explosion proof "Ex d II BT4Gb", applicable to explosive factory formation of gas and steam and air explosive mixture of hazardous places of work proof hoist
| Power source | 220V(50/60Hz), 220V(60Hz), 380V(50Hz), 400V(50Hz), 415V(50Hz), 440V(60Hz), 3 phase, other voltages are available upon request. |
| Operation voltage | 24/36/48V |
| Operation method | Pendant type push button cord(floor operation)
(2-push-button-system for both hook suspension type and manual operated type trolley. 2-push-button-system for motorized trolley type.) |
| Power supply method | Cable power supply system |
| Push button cord and power supply cable | Rubber insulated flexible cable(3RNCT) |
| Insulation of motor | F class |
| Braking system for lifting and lowering | Pull-rotor motor brake |
Technical Parameters
| Type | Capacity
(Ton) | Lifting Speed
(m/min) | Lifting Motor | Operating Motor | I-Beam
(mm) |
Power
(kW) | Rotation Speed
(r/min) | Phases | Voltage
(V) | Frequency
(Hz/s) | Power
(kW) | Rotation Speed
(r/min) | Operating Speed
(m/min) | Phases | Voltage(V) | Frequency
(Hz/s) |
| DS-HHBDB01-01 | 1 | 6.8 | 1.5 | 1440 | 3 | 220-440 | 50/60 | 0.4 | 1440 | 10/20 | 3 | 220-440 | 50/60 | 80-160 |
| DS-HHBDB02-01 | 2 | 6.8 | 3 | 1440 | 3 | 220-440 | 50/60 | 0.4 | 1440 | 10/20 | 3 | 220-440 | 50/60 | 82-178 |
| DS-HHBDB02-02 | 2 | 3.4 | 1.5 | 1440 | 3 | 220-440 | 50/60 | 0.4 | 1440 | 10/20 | 3 | 220-440 | 50/60 | 82-178 |
| DS-HHBDB03-01 | 3 | 5.4 | 3 | 1440 | 3 | 220-440 | 50/60 | 0.4 | 1440 | 10/20 | 3 | 220-440 | 50/60 | 100-178 |
| DS-HHBDB03-02 | 3 | 3.4 | 3 | 1440 | 3 | 220-440 | 50/60 | 0.4 | 1440 | 10/20 | 3 | 220-440 | 50/60 | 100-180 |
| DS-HHBDB05-02 | 5 | 2.7 | 3 | 1440 | 3 | 220-440 | 50/60 | 0.75 | 1440 | 10/20 | 3 | 220-440 | 50/60 | 110-180 |
| DS-HHBDB10-04 | 10 | 2.8 | 3.0*2 | 1440 | 3 | 220-440 | 50/60 | 0.75*2 | 1440 | 10/20 | 3 | 220-440 | 50/60 | 150-220 |
| DS-HHBDB15-06 | 15 | 1.9 | 3.0*2 | 1440 | 3 | 220-440 | 50/60 | 0.75*2 | 1440 | 10/20 | 3 | 220-440 | 50/60 | 150-220 |
| DS-HHBDB20-08 | 20 | 1.4 | 3.0*2 | 1440 | 3 | 220-440 | 50/60 | 0.75*2 | 1440 | 10/20 | 3 | 220-440 | 50/60 | 150-220 |
| DS-HHBDB25-10 | 25 | 1.1 | 3.0*2 | 1440 | 3 | 220-440 | 50/60 | 0.75*2 | 1440 | 10/20 | 3 | 220-440 | 50/60 | 150-220 |
| DS-HHBDB30-12 | 30 | 0.9 | 3.0*2 | 1440 | 3 | 220-440 | 50/60 | 0.75*2 | 1440 | 10/20 | 3 | 220-440 | 50/60 | 150-220 |
| DS-HHBDB35-16 | 35 | 0.7 | 3.0*2 | 1440 | 3 | 220-440 | 50/60 | 0.75*2 | 1440 | 10/20 | 3 | 220-440 | 50/60 | 150-220 |
Size Specification
| Type | Capacity
(Ton) | Unit(mm) |
| H | A | B | D | E | K | L | N | J | R | T | Q | Chain |
| DS-HHBDB01-01 | 1 | 650 | 600 | 330 | 300 | 176 | Φ40 | 31 | 24 | Φ31 | 224 | 298 | / | Φ7.1 |
| DS-HHBDB02-01 | 2 | 770 | 725 | 350 | 430 | 265 | Φ49 | 35 | 30 | Φ36 | 224 | 298 | / | Φ7.1 |
| DS-HHBDB02-02 | 2 | 740 | 600 | 330 | 300 | 230 | Φ49 | 35 | 30 | Φ36 | 224 | 298 | / | Φ7.1 |
| DS-HHBDB03-01 | 3 | 840 | 725 | 350 | 470 | 265 | Φ59 | 42 | 35 | Φ43 | 224 | 298 | / | Φ11.2 |
| DS-HHBDB03-02 | 3 | 920 | 725 | 350 | 430 | 320 | Φ59 | 42 | 35 | Φ43 | 224 | 298 | / | Φ10.0 |
| DS-HHBDB03-03 | 3 | 920 | 600 | 330 | 350 | 280 | Φ59 | 42 | 35 | Φ43 | 224 | 298 | / | Φ11.2 |
| DS-HHBDB05-02 | 5 | 1015 | 725 | 350 | 430 | 325 | Φ60 | 45 | 43 | Φ54 | 224 | 298 | / | Φ11.2 |
| DS-HHBDB7.5-03 | 7.5 | 1200 | 725 | 350 | 500 | 380 | Φ90 | 70 | 50 | Φ70 | 224 | 298 | / | Φ11.2 |
| DS-HHBDB10-04 | 10 | 1200 | 725 | 350 | 890 | 445 | Φ90 | 70 | 50 | Φ54 | 224 | 298 | 430 | Φ11.2 |
| DS-HHBDB15-06 | 15 | 1360 | 725 | 350 | 1030 | / | Φ110 | 80 | 85 | Φ70 | 224 | 298 | 520 | Φ11.2 |
| DS-HHBDB20-08 | 20 | 1300 | 725 | 350 | 1220 | / | Φ110 | 80 | 85 | Φ70 | 224 | 298 | 520 | Φ11.2 |
| DS-HHBDB25-10 | 25 | 1500 | 725 | 350 | 1450 | / | Φ140 | 100 | 95 | Φ75 | 224 | 298 | 680 | Φ11.2 |
| DS-HHBDB30-12 | 30 | 1640 | 915 | 458 | 1380 | / | Φ140 | 100 | 95 | Φ80 | / | / | 400 | Φ11.2 |
| DS-HHBDB35-16 | 35 | 1790 | 915 | 458 | 1600 | / | Φ200 | 140 | 135 | Φ100 | / | / | 440 | Φ11.2 |
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