The use of any product has a deadline, called the warranty period. For the explosion-proof box, there is also a period of use, installation of the national standard GB328-requirements, the use of explosion-proof box product is 2 years; of course, explosion-proof box in different environments, the degree of damage caused by the explosion-proof box itself is different Not all explosion-proof boxes can remain intact and intact within two years. Therefore, as the principle of safety first, we must constantly maintain and inspect explosion-proof boxes.
The factors that determine the useful life of the explosion-proof box and reach the basis for scrapping are as follows:
Explosion-proof box scrap technology basis 1. "Electrical Equipment for Explosive Hazardous Environment" (CB3836).
2. Product engineering specifications.
3. Explosion-proof electrical system design requirements.
Explosion-proof box scrap conditions 1. Cable and steel pipe wiring insulation strength is lower than the standard, it is difficult to repair, which may lead to line grounding, short circuit, and other endanger the safe operation, should be partially or completely scrapped, be updated.
2. Explosion-proof equipment manufacturers and national explosion-proof inspection agencies declare that the users are eliminated and prohibited. They shall be scrapped and updated.
3. When explosion-proof electrical equipment is damaged by external forces, atmospheric corrosion, natural aging, mechanical wear, and accident damage, the explosion-proof performance will be reduced. Even though inspection and replacement of parts and components will not restore the original explosion-proof performance, it should be scrapped if it endangers safe operation. .
4. Explosion-proof equipment can reach quality standards after major repairs, but overhaul time is long, maintenance costs are greater than or close to more than 50% of the cost of purchasing the same equipment, and economically uneconomical, it should be scrapped and updated.
For the above explosion-proof box requires our users to keep in mind and maintain a safe vigilance.
The factors that determine the useful life of the explosion-proof box and reach the basis for scrapping are as follows:
Explosion-proof box scrap technology basis 1. "Electrical Equipment for Explosive Hazardous Environment" (CB3836).
2. Product engineering specifications.
3. Explosion-proof electrical system design requirements.
Explosion-proof box scrap conditions 1. Cable and steel pipe wiring insulation strength is lower than the standard, it is difficult to repair, which may lead to line grounding, short circuit, and other endanger the safe operation, should be partially or completely scrapped, be updated.
2. Explosion-proof equipment manufacturers and national explosion-proof inspection agencies declare that the users are eliminated and prohibited. They shall be scrapped and updated.
3. When explosion-proof electrical equipment is damaged by external forces, atmospheric corrosion, natural aging, mechanical wear, and accident damage, the explosion-proof performance will be reduced. Even though inspection and replacement of parts and components will not restore the original explosion-proof performance, it should be scrapped if it endangers safe operation. .
4. Explosion-proof equipment can reach quality standards after major repairs, but overhaul time is long, maintenance costs are greater than or close to more than 50% of the cost of purchasing the same equipment, and economically uneconomical, it should be scrapped and updated.
For the above explosion-proof box requires our users to keep in mind and maintain a safe vigilance.
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