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Introduction of explosion-proof Mark
※ Ⅰ類防爆電氣設(shè)備的防爆標(biāo)志 Ex + 防爆型式+類別(Ⅰ)+Ma/Mb 防爆結(jié)構(gòu)包括:d、e、ia、ib、ma、mb、px、q ※Ⅱ類防爆電氣設(shè)備的防爆標(biāo)志 Ex + 防爆型式+類別(Ⅱ)+級別(A/B/C)+溫度組別(T1~T6)+Ga/Gb/Gc 防爆結(jié)構(gòu)包括:d、e、ia……
Testing standard for Explosion-proof electrical equipment
Testing standard for explosion-proof electrical equipment.
What data is required to apply for Explosion-proof Certificate
※ Application data ◆ Application form ◆Business license ※Product drawings ◆Schematic diagram ◆General assembly drawing ◆PCB ◆Structure cha……
Introduction of explosion-proof type in Dust Environment
※ 本質(zhì)安全型“iD” 電氣設(shè)備的一種防爆型式,它將設(shè)備內(nèi)部和暴露于潛在爆炸性環(huán)境的連接導(dǎo)線可能產(chǎn)生的電火花或熱效應(yīng)能量限制在不能產(chǎn)生點(diǎn)燃的水平。 ◆ “iaD”保護(hù)等級 施加Um和Ui后,在下列每一種情況下,“iaD”保護(hù)等級電氣設(shè)備中的本質(zhì)安全電路應(yīng)不能引起點(diǎn)燃: ◇ 正常工作和施加最不利……
Introduction of dust explosion prevention knowledge
※ 什么是爆炸性粉塵? 爆炸性粉塵:在一定條件下能與空氣發(fā)生氧化反應(yīng)而燃燒的粉塵、纖維或飛絮。例如金屬粉、面粉、魚粉、紙粉、木粉、塑料、染料等。(水泥、泥沙、飛灰等是不可燃粉塵) ※粉塵爆炸五要素 ◆ 粉塵爆炸:火焰在粉塵云中傳播,引起壓力、溫度明顯躍升的現(xiàn)象。 ◆粉塵爆炸的五要素: ……
Product catalog of KY Certificate
Product cotalog of KY Certificate: General electrical products of mining Driver controller General electrical products of mining Chopper governor General electrical products of mining resistor General electrical products of mining Silicon rect
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