Product Description


Air hoist is an explosion proof hoist, it has advantage such as no electric spark and highest safety protection class. It is a new style hoisting equipment, an ideal device for the place with high fire-protection grade. The air hoist adopts compressed air as power, it has non-pollution, no electric consumption. It can work continuously and has a good use stability, the lifting speed can be adjusted by simple control model. This type explosion proof hoist has overload protection unit, the protection grade is higher than other type hoist, the braking unit action is prompt which can ensure the good work condition of air hoist.

Structure of Explosion Proof Air Hoist


The air hoist is mainly composed by air motor, speed reducing unit, hanging tackle, chain and wheel, and control part. When lifting, the air valve will act to control lifting or rising the weight. The air hoist can be fixed under beam or fixed at I beam with a travelling trolley.
 

Application of Air Hoist


Because this explosion proof hoist has a high fire protection class, it is widely used in petrol, chemical, storage, high-temperature industrial. It can bear high usage frequence ,and has an infinitely variable speed unit, so the manufacturing industry, especially the high strength manufacturing is very suitable for the air hoist.

air-hoist explosion-proof-air-hoist

Specifications of Air Hoist
 

Model QDH
0.1D
QDH
0.2S
QDH
0.25D
QDH
0.5S
QDH
0.5D
QDH
1.0S
Capacity 0.1 t 0.2 t 0.25 t 0.5 t 0.5 t 1.0 t
Lifting height 0-20 m
Max. lifting speed 9 m/min 5 m/min 10 m/min 5 m/min 7.5 m/min 4 m/min
Max. descent speed 12 m/min 10 m/min 14 m/min 7 m/min 12 m/min 7 m/min
Wind pressure 0.6 MPa
Max. gas consumption 0.8 m3/min 0.8 m3/min 1.0 m3/min 1.0 m3/min 1.2 m3/min 1.2 m3/min
Weight 5 kg 17 kg 17 kg 21 kg 21 kg 24 kg

 

Model QDH
1.0D
QDH
2.0S
QDH
2.5D
QDH
3.0S
QDH
3.0D
QDH
5.0S
QDH
6.0S
Capacity 1.0 t 2.0 t 2.5 t 3.0 t 3.0 t 5.0 t 6.0 t
Lifting height 0-20 m
Max. lifting speed 4.8 m/min 2.4 m/min 1.8 m/min 1.7 m/min 1.7 m/min 0.75 m/min 0.75 m/min
Max. descent speed 8.0 m/min 4.0 m/min 3.5 m/min 3.5 m/min 2.7 m/min 1.5 m/min 1.3 m/min
Wind pressure 0.6 MPa
Max. gas consumption 1.4 m3/min 1.4 m3/min 1.8 m3/min 1.8 m3/min 1.6 m3/min 2.5 m3/min 2.5 m3/min
Weight 30 kg 36 kg 50 kg 36 kg 35 kg 55 kg 55 kg

 

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Explosion proof air hoist

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