The classification of Ex Certification can be made from the following perspectives: 1. Classification by Explosion-Proof Type (1) Intrinsically safe type: Prevents explosions by limiting the ele……

Enterprises applying for the China Ex Certificate may contact professional Ex certification agency services, such as STS, to submit an application. A one-stop service is provided, covering document pr……

I. Area Classification for Explosive and Flammable Gas Atmospheres Zone 0: Areas where explosive and flammable gas mixtures continuously, frequently appear for long durations or persist for extende……

Ex Certification is a product certification for products used in areas with explosive and flammable gas and dust atmospheres. The measures adopted by products to achieve explosion-proof performance……

MA既煤安標(biāo)志，MA認(rèn)證即煤安認(rèn)證（Mei An），適用于在煤礦井下使用的各類設(shè)備和產(chǎn)品，屬于強制性認(rèn)證。 國家安標(biāo)中心負(fù)責(zé)全國礦用產(chǎn)品安全標(biāo)志監(jiān)督管理工作，對煤礦礦用設(shè)備、材料、儀器儀表等產(chǎn)品實行安全標(biāo)志管理制度。 2002年1月1日起對執(zhí)行煤安標(biāo)志管理的產(chǎn)品，生產(chǎn)廠家中諾檢測必須在取得安全標(biāo)志證書后，才能從事該產(chǎn)品的生產(chǎn)、銷售，并使用煤礦安全標(biāo)志。 礦山企業(yè)嚴(yán)禁采購和使用無安……

防爆銘牌是防爆電氣設(shè)備的身份證和簡易說明書，里面包含了產(chǎn)品名稱、產(chǎn)品型號、電氣參數(shù)、防爆標(biāo)志、防爆合格證號、出廠日期、制造商名稱等。 從防爆產(chǎn)……