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BCD type explosion-proof electric wire rope hoist

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BCD type explosion-proof electric wire rope hoist

Postby christopher2021 » Thu Jun 23, 2022 3:34 am

Explosion-proof electric wire rope hoists are a series of products, designed and fabricated under the National Standard of GB3836-2000 (Electrical Apparatus for Explosive Gas Atmospheres). Both self-made and complemented factory-made explosion-proof motors and electrical apparatuses are designed, fabricated, checked and accepted according to the National Standard GB3836.1-2000 (General Requirements of Electrical Apparatus for Explosive Gas Atmospheres) and GB3836.2-2000 (Electrical Apparatus for Explosive Gas Atmospheres Flame-proof Enclosure “d”).

Scope of Use
When there are flammable gases or explosive mixture of vapour and air as shown in the below table (table 1), the explosion-proof electric hoists can be installed on I-beam for lifting and for reciprocating liner or curvilinear movements in a safe manner.
Environment temperature: -20℃ ~+40℃
Altitude: below 1000 m
Relative humidity: 85% (20±5 ℃)
This series of products can be used with explosion-proof suspension crane or explosion-proof single-beam bridge crane according to different service requirements
The advantages of the series of products are compact in structure, light deadweight, small in size and high in lifting capacity. They help to improve working environment and production with ensured safety in a workshop with explosive mixture.
Table 1

Explosion Group Temperature Class
T1 T2 T3 T4
IIA Ethane, Propane, Styrene, Xylene, Benzene, Zcetone, Carbon monoxide, Methyl acetate nitrogen, Pyridine Ethanol, Butane, Propylene, Alkyd ester, Polyethylene, Methylamine thiophene diacid, Dichloroethane Pentane, Decane, Turpentine, Ethylcyclopentane, Fuel oil, amyl alcohol, Chlorobutane, Naphtha, THT, Petroleum Ethylal, Trimethylamine, Aether
IIB Acrylonitrile, Hydrogen cyanide, Coal oven gas Ethylele, Epoxyethane, Methyl acrylate, Furan Dimethyl ether, Acraldehyde, Butylene oxide, Hydrogen sulfide Diethyl ether, Dibutyl ether, Ethyl methyl ether, Tetrafluoroethylene
IIC Hydrogen, Water gas Acetylene
Product Structural Features
The main features of this series of explosion-proof electric hoist structure are:

This series of products is composed of several parts that can be separately disassembled. It is very convenient to use, maintain and repair, and can shorten the maintenance period.
Its explosion-proof motor, explosion-proof control box and control buttons are separate flameproof structures.
The parts are highly versatile and interchangeable.
The reducer adopts standard modulus cylindrical gear for easy maintenance.
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Re: BCD type explosion-proof electric wire rope hoist

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