欧美jizz18性欧美_亚洲日韩精品欧美一区二区一_久久亚洲春色中文字幕久久久_欧美成人精品视频在线观看

       QB型防爆橋式起重機，QB型防爆橋式起重機廠家，QB型防爆橋式起重機價格
　　QB型防爆(bao)橋(qiao)式起重機所有電(dian)(dian)機、電(dian)(dian)器防爆(bao)性(xing)(xing)能符合GB3836.2-2000《爆(bao)炸性(xing)(xing)氣體環境用電(dian)(dian)氣設備第2部(bu)分：隔爆(bao)型“d”》、整機性(xing)(xing)能符合JB/T5897-2006《防爆(bao)橋(qiao)式起重機》標(biao)準之規(gui)定(ding)，經國(guo)家指定(ding)的防爆(bao)產品檢驗單位(wei)檢驗合格，取得了(le)《防爆(bao)合格證》。防爆(bao)標(biao)志分別為ExdII BT4、Exd II CT4。

　　本產品適用(yong)于工廠(chang)內防爆能力不高于II B或(huo)II C級，引燃(ran)溫度(du)組(zu)別(bie)不低于T4組(zu)的可燃(ran)性氣體(ti)或(huo)蒸氣與空(kong)氣形成的爆炸性氣體(ti)混合(he)物的場所(suo)，適用(yong)的危險區(qu)域為1區(qu)或(huo)2區(qu)(詳(xiang)見GB3836.1-2000)。

　　本產品一般為(wei)地(di)面(mian)操作(zuo)(zuo)，根據(ju)用戶(hu)需(xu)要也可以(yi)司(si)機(ji)室操作(zuo)(zuo)。工作(zuo)(zuo)級別為(wei)中級。

　　Explosion-proof performances of all motors and electric components of QB explosion-proof crane satisfy standards stipulated by GB3836.2-2000 Explosion-proof Electric Equipment Working in Explosive Gas Envircmment Part2：Flame-proof Type“D”，and the performance of the crane satisfies demands in JB/T5897-1991 Explosion-proof Crane.The crane has obtained Explosion-proof Certificate after passing examinations by units designated by the government to test explosion-proof products.The explosion-proof marks are Exd II BT4 and Exd II CT4 respectively.

　　This product is suitable for areas where the explosion。transmission is not higher than II B or II C and the ignition temperature group of inflammable gas or explosive mixture of steam and gas is not lower than T4.Applicable dangerous zones are zone 1 and zone 2(please refer to GB3836.1-2000 fordetails).

　　This product is generally controlled on the ground，but control from the driver’s cabin is also allowable.The working grade is intermediate.

　　注：5-10t起重(zhong)機無副(fu)鉤

　　Note：5-10t crane does not have a auxiliary hook.