Explosion Proof Overhead Crane


Explosion Proof 0verhead Crane

Lifting Capacity: 1~75 t
Span Length: 7.5~31.5 m
Lifting Height: 6~18 m
Working Class: A3, A4
Explosion-proof Grade: ExdⅡBT4 / CT4

Single/double girder electric explosion proof overhead crane is a typically crane that matched with BCD electric anti-explosion hoist to use. Applying to the inside factories with the detonating and flammable mixture environment with the Ignites temperature classes of T1 ~ T4 group.


Detail of Explosion Proof Overhead Cranes

1.Mainly consists of bridge structure, crane travelling mechanism, electric equipment etc.
2.All motors of electric explosion proof overhead cranes which electrical explosion proof performance is in line with GB3836.2-2000 “for explosive gas atmospheres with explosion-proof
electrical equipment-Part 2: Flameproof “d”,
3.whole performance is in line with provisions of the standards of explosion-proof bridge cranes JB/T5897-1991.
4.The proof marks are Exd Ⅱ BT4 and Exd Ⅱ CT4.
5.Applied to explosion transfer capacity no higher than the II B or II C-class and the sites with explosive air mixture formed with inflammable gas (or steam) and air whose factory ignition temperature groups of not less than the T4 group.
6.The applicable hazardous area: 1 division or 2 division (refer to GB3836.1-2000).

Technical data of Explosion Proof Overhead Cranes

Capacity t 5 10 20 32 50 75
Span S(m) 10.5~31.5
Lifting height m 6~18
Lifting speed m/min 5 5 4.2 4.1 3 1.9
Trolley speed m/min 19.6 20.5 20.5 20 19.1 10.5
Crane speed m/min 22.3 22.3 19 17 19.4 15.4
Work duty A4~A5
Explosion-proof Grade ExdⅡBT4、ExdⅡCT4
Track type P43 P43 P43 or QU70 QU70 or  90*90 QU80 or 100*100 QU100

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