Shenhai e fakamoʻoni fakaʻauha
Explosion-proof electrical appliances typically involve enclosing a standard electrical device within an explosion-proof casing. ʻOku taʻofi ʻe he hiva ko ʻeni ʻa e ngaahi kasa fakatuʻutamaki mo e efu mei he hu mo sparking mei he ngaahi fehalaaki fakaʻuhila ʻi loto. ʻOku angamaheni ʻaki hono fakaʻaongaʻi e ngaahi meʻangaue ko ʻeni ʻi he ngaahi ʻatakai fakatuʻutamaki, hangē ko e ʻakau ʻo e kemikalé, maina, ngoue lolo, offshore platforms, mo e ngaahi pausa, where national regulations mandate the use of explosion-proof equipment.
Ngaahi Tuʻunga Malú:
Manufacturers of explosion-proof electrical appliances must possess various certifications, including explosion-proof qualification certificates and production permits. For export and certain industries, additional certifications are necessary. Hange ko ʻeni, marine explosion-proof appliances must have CCS certification from the classification society. When exporting to other countries, certifications like the American ABS and European ATEX are often required. ʻIkai ngata ai, large domestic and international petrochemical companies demand their network certificates, such as those from Sinopec, CNOOC, and CNPC. The explosion-proof industry has numerous relevant certifications, and the issuing authority of these certificates is crucial, with more authoritative being better.