Explosion-proof cranes

A crane is a type of machine, generally equipped with a hoist rope, wire ropes or chains, and sheaves, that can be used both to lift and lower materials and to move them horizontally. It is mainly used for lifting heavy things and transporting them to other places. It uses one or more simple machines to create mechanical advantage and thus move loads beyond the normal capability of a human. Cranes are commonly employed in the transport industry for the loading and unloading of freight, in the construction industry for the movement of materials and in the manufacturing industry for the assembling of heavy equipment.

These cranes were used for the construction of tall buildings. Larger cranes took over with the coming of the Industrial Revolution.

Product catalog

Classification of susceptible hazardous areas

Classification of susceptible hazardous areas containing flammable gases and fumes:

In the case of dust, and in accordance with IEC 61241-3, as well as gases, three hazardous areas, ZONE 20 ZONE 21, ZONE 22, are defined as Zones 0, 1 and 2, respectively, in the classification of gases.

Zone 20: An area where there are normal operating conditions, explosive dust, cloudy or multiple masses, and concentrations and concentrations in such a way as to expose the explosion and combustion air during combustion.

These dust clouds may form as cloudy masses of uncontrollable and thick layers that have been accumulated on the equipment and they still have the same explosive properties.

These layers or cloud-like masses can form inside operational spaces and may endanger the environment. This area, such as zone 0, is flammable in gas or vaporous environments.

Zone 21: An area in which normal operating conditions may result in a cloudy cloud of dust explosive enough to combine with air and create an explosive dust blend. This area, such as zone1, in environments susceptible to gas or vapors Flammable.

Zone 22: An area that, under normal operating conditions, rarely clouds of explosive dust may develop and continue for a short time, or in the case of abnormal operating conditions, explosive atmospheres of dusty layers of dust can be generated, which if combined With air, it becomes a potentially explosive dust. This can circulate around devices that blow away dust from the dust in the vast space of space, such as Zone 2 in explosive atmospheres.


first known construction cranes were invented by the Ancient Greeks

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