Explosion-proof bridge cranes are usually used in dangerous industrial places such as petrochemical plants, pharmaceutical plants, oil refineries, natural gas power plants, wastewater treatment plants, paint plants, etc., so they have relatively high requirements for safety and reliability.

We have long-term experience in explosion-proof applications, and our explosion-proof overhead cranes are designed and manufactured to allow the crane to operate stably in harsh environments. Our explosion-proof bridge cranes usually have a lifting capacity of up to 160 tons, usually with a double-girder structure.

Working in explosive atmospheres places strict demands on cranes. Cranes need to have the requirements of anti-explosion, anti-burning and other characteristics. The explosion-proof overhead cranes we design meet the requirements of international standards and have the advantages of high performance, high quality and safety, because we have a professional technical team of 1,000 people and our 34 years of experience in the crane industry, no matter which industry you are in, if you Explosion-proof overhead cranes with special properties are required, and we can custom design and manufacture them for you. 

You can choose according to your needs, or you can consult our experts, we can provide you with the best solution for Weihua Explosion Proof Overhead Cranes.

Modular and compact design
• The main beam is made of computer-optimized box pieces, and the end cars are designed with torsionally rigid welded box sections. The main and end beams are connected with high-strength bolts. Our high-precision machining equipment ensures the accuracy of the connection and keeps the crane running smoothly.

• Modular design uses a combination of high-quality parts and serial modules to form rich product specifications, modularization, standardization, and mass production modes to ensure product quality, shorten manufacturing cycles, and achieve fast delivery.

• By using compact hoists and high-strength materials, cranes are much smaller in size, wheel load and weight, which can reduce building height and reduce plant construction costs.

•Compact structure, low clearance, small size, large working range, improve production efficiency.

Advanced Manufacturing Technology
• Advanced steel sheet pretreatment line for spraying, painting and drying.

The jet bomb grade reaches Sa2.5, and the surface roughness (Rz) is 40-80 μm.

Primer spraying will be done within the specified time after pretreatment to prevent rust, the steel of the main beam, the beam will be transferred to the fabrication shop for cutting after pretreatment.

•Our robotic automatic welding technology for crane main girder, end car and trolley frame, automatic double-sided intermittent welding technology for main girder cover mesh steel welding, and gantry underwater arc welding for longitudinal welding of the external main girder, all of which ensure maximum welding quality.

• Industry-leading technology and application of modular interchangeability of crane main and end beams.

• The post-welding processing technology of the bridge frame and the trolley frame realizes the high efficiency and stable processing accuracy of the whole crane processing technology after welding.

• Automatic spraying production line includes three blasting, painting and drying workshops.

High security, reliability, efficiency
BNR explosion proof hoists offer high performance, easy load handling, increased reliability and safety.

1. Explosion proof up to Exd II CT4/Ex tD A21 IP65 T130°C

2. Heavy duty 50% ED lift motor and 40% ED travel motor with thermistor for overheat protection.

3. Lifting appliances with main contactor and 48V contactor control.

4. Lifting and traveling motor protection IP65.