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……

Electrical equipment used in dust explosion hazardous areas should be selected as dust explosion-proof electrical equipment in accordance with the current national standard GB 12476.2-2010 "Elect……

Many people always think that the explosion-proof certificate and coal safety certificate are the same, as long as the product obtains the explosion-proof certificate or coal safety certificate, it ca……

Explosion proof certificate refers to a document used to determine whether equipment meets the requirements of standards, type tests, and routine tests for adaptation. The certificate can be for Ex de……

The symbol "U" in the explosion-proof certificate is used to represent the symbol of Ex components; The symbol "X" in the explosion-proof certificate represents a symbol for specia……

Explosion proof certification is actually a necessary test that most electrical products must pass and obtain certification certificates for. This is not only a guarantee of product quality promotion,……