What is the term for equipment that is designed to prevent ignition of dust accumulations in its vicinity?

The term for equipment designed to prevent the ignition of dust accumulations in its vicinity is "dust-ignition proof." This designation indicates that the equipment has been specifically engineered and tested to function safely in environments where combustible dust is present. The design includes features that protect against potential ignition sources, thus maintaining safety in hazardous locations.

Dust-ignition proof equipment is built to contain any potential ignition sources and minimize the risk of an explosion or fire caused by the ignition of dust particles that can accumulate around the equipment. This classification is crucial for industries that work with combustible dust, ensuring that equipment can operate without posing a risk to the surrounding environment.

Other categories such as dust-tight, explosion-proof, and flame-proof refer to different aspects of equipment safety. Dust-tight means that the equipment prevents the ingress of dust, which is important but does not specifically address ignition prevention. Explosion-proof pertains to products designed to contain the explosion within the unit, while flame-proof focuses on containing external flames, but neither of these categories explicitly targets the ignition of dust. Therefore, "dust-ignition proof" is the accurate term for equipment focused on managing the risk of dust ignition.