In many enterprises in industries such as chemical and petroleum, due to the flammability and explosiveness of raw materials, intermediate products, and finished products in various links such as prod……

With the rapid development of industries such as petroleum, chemical, and mining, the use of lighting fixtures in production, storage, and rescue is becoming increasingly widespread, with a growing va……

Explosion proof electrical equipment has obtained a gas explosion-proof certificate. Can it be directly used in environments with combustible dust? Is the gas explosion-proof level higher or the dust ……

The ignition source, as a heat source providing combustion reaction, is the direct cause of inducing dust explosion accidents. In industrial production, there are various types of ignition sources aro……

With the rapid development of China's economic construction and the increasing scale of industrial production, the issue of explosion prevention has become more important. Explosion proof electrical p……

In places where explosive mixtures are commonly present in industries such as coal, petroleum, chemical, textile, and grain processing, such as production, processing, storage, and transportation, if ……

Gas explosion-proof mark Ex d ib Ⅱ C T4 Gb ◆ Ex: indicates that the electrical equipment complies with one or more explosion-proof types listed in the Chinese GB3836 series explosion-proof standards a……

The standards for explosion-proof certification in our country are synchronized with IEC certification. The officially approved explosion-proof certification by the state is divided into eight differe……

The types of explosion-proof certificates include explosion-proof type (d), increased safety type (e), intrinsic safety type (i), positive pressure type (p), n-type (n), oil filled type (o), sand fill……

Explosion proof certification refers to the work of determining whether equipment meets the requirements of explosion-proof standards, conducting type tests and routine tests for adaptation, and issui……