QB Explosion Proof Bridge Crane

What is QB Explosion Proof Bridge Crane

QB Explosion Proof Bridge Crane is designed for explosive gas atmospheres with explosion-proof electrical equipment. They can lift loads from 5 ton to 75 tons.

• Type:QB
• Lifting Capacity:5~75t
• Lifting Height:
• Span:10.5~31.5m
• Working Duty:A4,A5
• Ambient Temperature:-20~40℃

Explosion proof bridge crane is one of the various types of explosion-proof and hazardous environment material handling equipment, with all the motors and electrical equipment of the explosion proof crane manufactured in line with international standards and regulations. The lifting capacity of the explosion proof bridge crane is 5 to 75 tons and the working class is A4 and A5, and the specific parameters is shown in the following diagram:

Components of Explosion proof crane

The explosion proof crane offered by Dongqi crane is mainly consisted of bridge structure, lifting mechanism, crane traveling mechanism, electric equipment, etc.

Diagram of explosion proof bridge crane

Explosion Proof Bridge Crane Zoning

Hazardous areas are categorized into zones according to the assessment of the frequency of the occurrence and duration of an explosive atmosphere. A zone is an area in which an explosive gas atmosphere:

1. is present continuously or for long periods of time, Zone 0;
2. is likely to occur in normal operation, Zone 1;
3. is not likely to occur in normal operation and, if it occurs, will only exist for a short time. Zone 2.
   Explosion Proof bridge Crane Zoning: Zone 1 & Zone 2 Hazardous Areas.

Application of Explosion proof bridge crane

The proof marks are Exd Ⅱ BT4 and Exd Ⅱ CT4.

Explosion proof bridge crane is applied to sites, where is not 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.

DQCREANES designs and manufactures the material handling equipment for the harsh and hazardous application environments, such as, chemical plants, gas power plants, paint shops, oil refineries, and waste water treatment plants, etc.

Don't know how to choose the right crane for your hazardous environment? Contact DQCRANES NOW to find the right material handling equipment with our engineers.

Advantages of Explosion proof bridge crane

• Innovative structure,
• Attractive appearance
• Advanced technology
• Flexible and smooth operation
• High safety and reliability

How to customize Overhead Crane from China

We are a crane manufacturer located in China, providing crane customization services to global crane customers. If you want to customize a Overhead Crane, you can leave a message on the website or Email: sales010@cranesdq.com, tell us the following information, and our sales manager will contact you:

• Lifting capacity (ton): __ ?( The rated capacity)
• Lifting height (m):__ ? (Height from hook center to the floor)
• Span (m): __ ? (Distance between rail center)
• Lifting speed (m/min): __ ? ( Single, Dual, Variable)
• Traveling distance (m): __ ? (The length of the rail)
• Work duty: __ ? (How many hours a day? How many times an hour?)
• What material to be lifted: __ ?
• Industrial voltage: __ ? ( like :380V, 50Hz, 3ph )

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