Van Der Graaf motors and critical industrial group services Drum motors are one of the key components in conveyor systems, which are used in various industries due to their high efficiency and low maintenance. The Van Der Graaf company, established in 1948 in the Netherlands, is one of the most reliable manufacturers of this type of engine. Relying on technical knowledge and advanced equipment, this company offers its products in more than 80 countries. **The main features of drum motors:** 1. **Totally closed design**: All motor drum components are housed and protected inside the drum, which ensures safety and reduces breakdowns. 2. **Long Life**: These motors are designed for 80,000 hours of continuous operation without maintenance. 3. **Energy efficiency**: Engines operate with 96% mechanical efficiency, which reduces energy consumption and costs. 4. **Sound reduction**: Using advanced technology, the sounds produced in these engines are much lower than OSHA standards. **Applications:** Drum motors are used in various industries including mining, food industry, agriculture, packaging, automobile, domestic transportation and airport. **Bahrani Industrial Group** operates as an official supplier and service provider of Van Der Graaf motor drums in Iran. Using its experience and expertise, this group provides services such as supply, installation, commissioning and maintenance of these engines to customers. For more information and to receive technical advice, you can contact the critical industrial group.