Henan Yuantai Crane Machinery Import&Export Co.,Ltd
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Explosion-proof Degree
There are two kinds of electric equipments which doesn't light the explosive environment up under stated conditions.
Class I: underground electric equipment of mines
Class II: every other special electric equipment used in explosive air except mines or underground.
Class II can be divided into IIA,IIB,IIC.
Table 1:
| T1 | T2 | T3 | T4 | T5 | T6 |
|
| 450°C | 300°C | 200°C | 135°C | 100°C | 85°C | |
Table 2:
| Natural temperature level Explosion-proof level30 | T1 | T2 | T3 | T4 |
| dIIA | Methylmethane dimethylmethane acetonum phenylacetic,benzene chlorobenzol carbonic oxide,ammonia acetic acid,toluene | butane,ethanol,propylene, butyl acetate, amyl acetate, cyclopentane,butanol, chloroethylene | pentane,heptane, octane, decane, | acetaldehyde |
| dIIB | allylene,acrylonitrile | ethylene oxide,butadiene, ethylene | Hydrothion, dimethyl ether | diethyl ether, butyl oxide |
| dIIC | hydrogen,water gas | acetylene |
|
|
BCD explosion-proof
1,Compact structure
2,Good compatibility
3,easy maintenance
4,accurate,smooth liftng
Explosion-proof Hoist mini crane chain
Product Name: BCD Explosion-proof Electric Hoist
Type: BCD
Lifting Capacity: 0.5t-32t
Lifting Height: 6m-30m(Max 100m)
Working System: M3
Ambient Temperature: -25~40°C