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What are the common ignition sources in explosive dust environments?

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……

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Zhongnuo Testing provides professional dust explosion-proof certification

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……

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Implementation Rules for Testing Methods of Intrinsic Safety Electrical Equipment

Scope 1 specifies the inspection procedures, data review, prototype testing, and experiments for intrinsically safe electrical equipment used in explosive environments. This testing implementation rul……

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General explosion-proof performance test items for explosion-proof electrical equipment

General explosion-proof performance test items for explosion-proof electrical equipment - Project basis and requirements - Visual inspection

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Application of batteries in explosion-proof certification technology

Battery, an essential core component in some explosion-proof devices, especially secondary batteries used in portable products, are widely used in explosion-proof mobile phones, explosion-proof interc……

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Procedure for Handling Explosion proof Certificate of GB/T3836 Standard

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 ……

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The meaning of explosion-proof marks for explosion-proof electrical equipment in China

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……

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As of 2018, the current national explosion-proof standards and certification types

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……

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Types and scope of application of explosion-proof certificates

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……

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Q&A on Explosion proof Certification

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……

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