防(Fang)爆(Bao)电(Dian)磁(Ci)阀(Fa)是(Shi)把(Ba)设(She)备(Bei)可(Ke)能(Neng)点(Dian)燃(Ran)爆(Bao)炸(Zha)性(Xing)气(Qi)体(Ti)混(Hun)合(He)物(Wu)的(De)部(Bu)件(Jian)全(Quan)部(Bu)封(Feng)闭(Bi)在(Zai)一(Yi)个(Ge)外(Wai)壳(Ke)内(Nei),(?)其(Qi)外(Wai)壳(Ke)能(Neng)够(Gou)承(Cheng)受(Shou)通(Tong)过(Guo)外(Wai)壳(Ke)任(Ren)何(He)接(Jie)合(He)面(Mian)或(Huo)结(Jie)构(Gou)间(Jian)隙(Xi),(?)渗(Shen)透(Tou)到(Dao)外(Wai)壳(Ke)内(Nei)部(Bu)的(De)可(Ke)燃(Ran)性(Xing)混(Hun)合(He)物(Wu)在(Zai)内(Nei)部(Bu)爆(Bao)炸(Zha)而(?)不(Bu)损(Sun)坏(Huai),(?)并(Bing)且(Qie)不(Bu)会(Hui)引(Yin)起(Qi)外(Wai)部(Bu)由(You)一(Yi)种(Zhong)、(?)多(Duo)种(Zhong)气(Qi)体(Ti)或(Huo)蒸(Zheng)气(Qi)形(Xing)成(Cheng)的(De)爆(Bao)炸(Zha)性(Xing)环(Huan)境(Jing)的(De)点(Dian)燃(Ran),(?)把(Ba)可(Ke)能(Neng)产(Chan)生(Sheng)火(Huo)花(Hua)、(?)电(Dian)弧(Hu)和(He)危(Wei)险(Xian)温(Wen)度(Du)的(De)零(Ling)部(Bu)件(Jian)均(Jun)放(Fang)入(Ru)隔(Ge)爆(Bao)外(Wai)壳(Ke)内(Nei),(?)隔(Ge)爆(Bao)外(Wai)壳(Ke)使(Shi)设(She)备(Bei)内(Nei)部(Bu)空(Kong)间(Jian)与(Yu)周(Zhou)围(Wei)的(De)环(Huan)境(Jing)隔(Ge)开(Kai)。(?)隔(Ge)爆(Bao)外(Wai)壳(Ke)存(Cun)在(Zai)间(Jian)隙(Xi),(?)因(Yin)电(Dian)气(Qi)设(She)备(Bei)呼(Hu)吸(Xi)作(Zuo)用(Yong)和(He)气(Qi)体(Ti)渗(Shen)透(Tou)作(Zuo)用(Yong),(?)使(Shi)内(Nei)部(Bu)可(Ke)能(Neng)存(Cun)在(Zai)爆(Bao)炸(Zha)性(Xing)气(Qi)体(Ti)混(Hun)合(He)物(Wu).

普(Pu)通(Tong)电(Dian)磁(Ci)阀(Fa)和(He)防(Fang)暴(Bao)电(Dian)磁(Ci)阀(Fa)的(De)区(Qu)别(Bie)是(Shi)体(Ti)现(Xian)在(Zai)接(Jie)线(Xian)盒(He)子(Zi)上(Shang),(?)所(Suo)谓(Wei)的(De)防(Fang)暴(Bao)即(Ji)是(Shi)指(Zhi)电(Dian)磁(Ci)头(Tou)锁(Suo)引(Yin)发(Fa)的(De)电(Dian)流(Liu)波(Bo)动(Dong)等(Deng)能(Neng)量(Liang)变(Bian)换(Huan)不(Bu)足(Zu)以(Yi)点(Dian)燃(Ran)对(Dui)应(Ying)环(Huan)境(Jing)气(Qi)体(Ti),(?)说(Shuo)简(Jian)单(Dan)点(Dian)就(Jiu)是(Shi)电(Dian)磁(Ci)头(Tou)动(Dong)作(Zuo)所(Suo)需(Xu)要(Yao)的(De)能(Neng)量(Liang)暴(Bao)露(Lu)在(Zai)可(Ke)燃(Ran)气(Qi)体(Ti)下(Xia)很(Hen)危(Wei)险(Xian)。(?)
1、(?)防(Fang)爆(Bao)电(Dian)磁(Ci)阀(Fa)工(Gong)作(Zuo)寿(Shou)命(Ming)长(Chang)。(?)
2、(?)防(Fang)爆(Bao)电(Dian)磁(Ci)阀(Fa)工(Gong)作(Zuo)制(Zhi)式(Shi):(?)分(Fen)长(Chang)期(Qi)工(Gong)作(Zuo)制(Zhi),(?)反(Fan)复(Fu)短(Duan)时(Shi)工(Gong)作(Zuo)制(Zhi)和(He)短(Duan)时(Shi)工(Gong)作(Zuo)制(Zhi)三(San)种(Zhong)。(?)防(Fang)爆(Bao)电(Dian)磁(Ci)阀(Fa)均(Jun)为(Wei)长(Chang)期(Qi)工(Gong)作(Zuo)制(Zhi),(?)即(Ji)线(Xian)圈(Quan)允(Yun)许(Xu)长(Chang)期(Qi)通(Tong)电(Dian)工(Gong)作(Zuo)。(?)对(Dui)于(Yu)长(Chang)时(Shi)间(Jian)阀(Fa)门(Men)开(Kai)通(Tong)只(Zhi)有(You)短(Duan)时(Shi)关(Guan)闭(Bi)的(De)情(Qing)况(Kuang),(?)则(Ze)宜(Yi)选(Xuan)用(Yong)常(Chang)开(Kai)电(Dian)磁(Ci)阀(Fa)。(?)用(Yong)在(Zai)短(Duan)时(Shi)工(Gong)作(Zuo)制(Zhi)而(?)批(Pi)量(Liang)又(You)很(Hen)大(Da)时(Shi),(?)可(Ke)作(Zuo)特(Te)殊(Shu)订(Ding)货(Huo)以(Yi)降(Jiang)低(Di)功(Gong)耗(Hao)。(?)
3、(?)防(Fang)爆(Bao)电(Dian)磁(Ci)阀(Fa)工(Gong)作(Zuo)频(Pin)率(Lu):(?)动(Dong)作(Zuo)频(Pin)率(Lu)要(Yao)求(Qiu)高(Gao)时(Shi),(?)结(Jie)构(Gou)应(Ying)优(You)选(Xuan)直(Zhi)动(Dong)式(Shi)电(Dian)磁(Ci)阀(Fa),(?)电(Dian)源(Yuan)听(Ting)优(You)选(Xuan)交(Jiao)流(Liu)。(?)