Explosion-proof fan applicable to transport flammable, explosive gases general purpose fan. Its transmission medium does not exceed the maximum temperature 80 ℃ fbd proof fans, dust content and the content of other solid impurities is not greater than 100mg / m3, a diameter of not more than 1mm. English standard name StandardTitle in English Explosion-proof fan first release date FirstIssuance Date 2011-05-12 standard state StandardState current review confirm the date ReviewAffirmance Date Plan Number Plan No.20081538-Q-604 international standards AdoptedInternational Standard no international standards ( ICS) Chinese Standard Classification (CCS) J72 standard categories StandardSort safety standards Page Number ofPages standard price (yuan) Price (￥) the competent authorities of China Machinery Industry Federation Governor TechnicalCommittees NFP National Standardization Technical Committee drafting unit fan DraftingCommittee Institute of Shenyang Blower Zhejiang upper hand proof fans 380v, east proof fans, Koretoyo explosion proof by Zhejiang Electric Co., Ltd. Tianjin Koretoyo offices. Zhejiang Koretoyo explosion-proof electrical Ltd. Tianjin Office (#) strong, credible, in Tianjin's proof lighting industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving Koretoyo innovative ideas will lead into the brilliant explosion and you work for a better future!