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New Chinese explosion-proof electric hoist meets the requirements of national standards such as Explosion-proof Electric Hoist (JB/T 10222), Explosive Environment Part 1: General requirements for equipment (GB3836.1) and Explosive Environment Part 2: Equipment protected by flameproof enclosure "d" (GB3836.2). Work level of the hoist is M5. The working environment temperature of the crane is - 20 ℃ ~ + 40 ℃. It is suitable for working in explosive gas environments such as the explosion-proof level is not higher than level B or C or the environment is formed by combustible gas, steam and air and ignition temperature group is not lower than T4 (135 ℃). The applicable hazardous area is zone 1 or zone 2, and is not applicable to zone 0.
Note:
Zone 0: A site that explosive gas mixture appears continuously, frequently for a short time or exists for a long time under normal conditions.
Zone 1: A site that explosive gas mixture possibly occur under normal conditions.
Zone 2: A site that explosive gas mixture can not appear under normal conditions but equipment failure or mis-operation may occur occasionally and shortly.
See the following table for examples of hazardous gases applicable to the crane. For the other hazardous gases not listed in the table, see the appendix of GB3836.1.
|
Temperate group |
Allowable maximum surface temperature (º C) |
|
T1 T2 T3 T4 T5 T6 |
450 300 200 135 100 85 |
New Chinese explosion-proof electric hoist is equipped with original spatial rod support structure and hoisting device is arranged in the classic "C" type structure. The hoisting drive device drives the large-diameter drum group and the coaxial three-in-one drive device simultaneously drives the wheel groups on both sides. The rope wedge device and the pulley group are suspended on the support rod, in which the high-strength nylon pulley group and the hook group are used.
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Main Product:
Industrial Crane,
Wire Rope Hoist,
Crane Parts ,
Electric Chain Hoist,
Overhead Crane,
Hydraulic Gear Pump
