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Positive pressure explosion-proof certification

Positive pressure type "p" is an explosion-proof protection type that maintains the pressure of the protective gas inside the shell higher than the external pressure to prevent external flam……

Explosion proof certification of optical radiation equipment

In flammable and explosive environments, optical equipment is often used together with electrical equipment. For example, optical equipment such as fiber optics, lasers, and light-emitting diodes (LED……

Explosion proof certification for non-electrical products

In flammable and explosive environments, in addition to using electrical equipment, a large number of non electrical devices are also used, such as mechanical valves, chain hoists, exoskeleton hydraul……

Explosion proof certification for handheld terminal products

Common handheld terminal devices include mobile phones, walkie talkies, PDAs, 4G/5G terminals, etc. These devices are often used by personnel entering flammable and explosive hazardous areas. Generall……

Explosion proof certification for sensor products

In today's information age, sensors have already penetrated into a wide range of fields such as industrial production, space development, ocean exploration, environmental protection, resource investig……

Explosion proof certification for inspection robots

Inspection robots are now widely used in chemical, oil and gas, fuel and other places, and the requirements for their explosion-proof technology are also increasing. At present, most inspection robots……