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Requirements for product structure and process in explosion-proof design of explosion-proof electrical lighting fixtures

When designing explosion-proof products, engineers often consider issues related to product structure and manufacturing processes. A reasonable product structure not only has good explosion-proof perf……

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Issues to be noted in the design of explosion-proof electrical products

1. Based on the characteristics, structure, and usage location of explosion-proof electrical product……

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Issues to be noted in the explosion-proof design of the shell fasteners of explosion-proof lamps

There are generally two types of explosion-proof housing fasteners for explosion-proof lighting fixtures: flat and sealed. For planar structures, bolts not only serve as fasteners, but also ensure the……

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Requirements for individual batteries and battery packs in coal safety certification

1、 Lithium ion batteries (1), lithium ion batteries with a single capacity not exceeding (including)……

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KA Non Coal Mine Mining Product Safety Certification Catalog

KA Non Coal Mine Mining Product Safety Certification Catalog 1: Explosion proof Electrical Equipment for Mining High and Low Voltage Electrical Equipment;

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Product Catalog for Coal Safety Certification (Part)

1、 Electrical equipment 1. High and low voltage electrical explosion-proof load switch

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Guidelines for Applying for Changes in the Mark of Coal Safety MA and Coal Safety KA

If the products of the enterprise are within the validity period of the safety mark, but there are changes in the business registration information, production conditions, or product technical documen……

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Guidelines for Continuing the Application of Coal Safety MA and Coal Safety KA Marks

For products that have obtained safety signs, if the validity period of the safety sign expires and there are no changes to the standards, drawings, main components, and important raw material lists o……

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Requirements of Coal Safety Certification for Primary Batteries

1、 Lithium primary batteries (1) with a capacity not exceeding (including) 10Ah. 1. The safety perfo……

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First application process for Coal Safety and Mining Safety (MA, KA) logo certification

Coal Mine Mark Certification (MA, KA certification for short) is a mandatory certification implemented by the National Coal Mine Safety Mark Office for underground coal mine supplies. All products lis……

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