GSR防(fang)爆(bao)電(dian)磁(ci)閥(fa)的(de)防(fang)等(deng)級(jí)(ji)和優(yōu)點(diǎn)GSR防爆(bao)電(dian)磁(ci)閥(fa)其線圈(quan)外(wai)殼(ke)不(bu)但具有(you)承受氣體(ti)爆(bao)炸壓力(li)的(de)隔(ge)爆(bao)作用(yong)，而(er)且對(duì)氣(qi)體爆(bao)炸能量(liang)傳(chuan)遞(di)具有(you)阻(zu)滯作用(yong)，安全性能更(geng)高。GSR防(fang)爆(bao)電(dian)磁(ci)閥(fa)是特(te)別設(shè)(she)計(jì)適用(yong)於傳(chuan)輸易(yi)燃易(yi)爆(bao)介(jie)質(zhì)或於爆(bao)炸性危險(xiǎn)(xian)場(chǎng)所(suo)的(de)特(te)殊(shu)電(dian)磁(ci)閥(fa)系列(lie)產(chǎn)品，不同的(de)環(huán)(huan)境和(he)流體應(yīng)(ying)選(xuan)擇(ze)不(bu)同(tong)防爆(bao)等(deng)級(jí)(ji)的(de)電(dian)磁(ci)閥(fa)。
GSR防爆(bao)電(dian)磁(ci)閥(fa)優(yōu)點(diǎn)1、防爆(bao)電(dian)磁(ci)閥(fa)工(gong)作壽命長(zhǎng)(chang)。
2、防爆(bao)電(dian)磁(ci)閥(fa)工(gong)作制式(shi)：分長(zhǎng)(chang)期工(gong)作制，反(fan)復(fù)(fu)短(duan)時(shí)(shi)工(gong)作制和(he)短(duan)時(shí)(shi)工(gong)作制三(san)種(zhong)。防爆(bao)電(dian)磁(ci)閥(fa)均(jun)為(wei)長(zhǎng)(chang)期工(gong)作制，即(ji)線圈(quan)允(yun)許長(zhǎng)(chang)期通(tong)電(dian)工(gong)作。對(duì)於長(zhǎng)(chang)時(shí)間(jian)閥門(men)開(kāi)(kai)通(tong)只有短(duan)時(shí)(shi)關(guān)(guan)閉的(de)情(qing)況，則宜選(xuan)用(yong)常(chang)開(kāi)(kai)電(dian)磁(ci)閥(fa)。用(yong)在短(duan)時(shí)(shi)工(gong)作制而(er)批量(liang)又(you)很(hen)大時(shí)，可(ke)作特殊(shu)訂貨(huo)以(yi)降低功(gong)耗。
3、防爆(bao)電(dian)磁(ci)閥(fa)工(gong)作頻率：動(dòng)作頻率要求(qiu)高時(shí)(shi)，結(jié)(jie)構(gòu)(gou)應(yīng)(ying)優(yōu)(you)選(xuan)直(zhi)動(dòng)式(shi)電(dian)磁(ci)閥(fa)，電(dian)源(yuan)聽(tīng)優(yōu)選(xuan)交流。
GB 3836.2 爆(bao)炸性氣體(ti)環(huán)(huan)境用(yong)電(dian)氣(qi)設(shè)(she)備(bei)第2部(bu)分:隔(ge)爆(bao)型(xing)"D"
GB 3836.3 爆(bao)炸性氣體(ti)環(huán)(huan)境用(yong)電(dian)氣(qi)設(shè)(she)備(bei)第3部(bu)分:增安型(xing)"E"
GB 3836.4 爆(bao)炸性氣體(ti)環(huán)(huan)境用(yong)電(dian)氣(qi)設(shè)(she)備(bei)第4部(bu)分:本(ben)質(zhì)安全型(xing)"I"
GB 3836.5 爆(bao)炸性氣體(ti)環(huán)(huan)境用(yong)電(dian)氣(qi)設(shè)(she)備(bei)第5部(bu)分:正(zheng)壓型(xing)"P"
GB 3836.6 爆(bao)炸性氣體(ti)環(huán)(huan)境用(yong)電(dian)氣(qi)設(shè)(she)備(bei)第6部(bu)分:充油(you)型(xing)"O"
GB 3836.7 爆(bao)炸性氣體(ti)環(huán)(huan)境用(yong)電(dian)氣(qi)設(shè)(she)備(bei)第7部(bu)分:充砂(sha)型(xing)"Q"
GB 3836.9 爆(bao)炸性氣體(ti)環(huán)(huan)境用(yong)電(dian)氣(qi)設(shè)(she)備(bei)第9部(bu)分:澆(jiao)封型(xing)"M"
GB 7957 礦用(yong)安全帽燈
以上標(biāo)(biao)準(zhǔn)(zhun)和本標(biāo)(biao)準(zhǔn)(zhun)不適用(yong)於醫(yī)用(yong)電(dian)氣(qi)設(shè)(she)備(bei)、發(fā)爆(bao)器、發(fā)爆(bao)器試驗(yàn)儀(yi)和(he)點(diǎn)火(huo)電(dian)路(lu)試驗(yàn)儀(yi)
至於妳(ni)所提(ti)到(dao)的(de)"EX2DB4",本(ben)人(ren)實(shí)(shi)在是沒(méi)見(jiàn)(jian)過(guò)(guo)類似妳的(de)標(biāo)(biao)準(zhǔn)(zhun),疑為(wei)妳(ni)誤(wu)抄(chao)了(le)此型(xing)號(hào)(hao)或符號(hào)(hao).
GSR防爆(bao)電(dian)磁(ci)閥(fa)常(chang)見(jiàn)(jian)符號(hào)(hao)為(wei)"EXDⅠ/Ⅱ BT3"
"EX"為(wei)通(tong)用(yong)符號(hào)(hao),表示(shi)EXPLOSIVE
"D"表示(shi)次(ci)防爆(bao)型(xing)式(shi)為(wei)"隔(ge)爆(bao)型(xing)D".
"Ⅰ"或"Ⅱ"表示(shi)電(dian)氣(qi)設(shè)(she)備(bei)分類,Ⅰ為(wei)煤(mei)礦(kuang)用(yong)電(dian)氣(qi)設(shè)(she)備(bei),Ⅱ?yàn)?wei)除(chu)煤礦(kuang)外(wai)其它爆(bao)炸性氣體(ti)環(huán)(huan)境用(yong)設(shè)(she)備(bei).其中,Ⅱ類隔爆(bao)型(xing)"D”和本(ben)質(zhì)安全型(xing)"I”電(dian)氣(qi)設(shè)(she)備(bei)又(you)分(fen)為(wei)ⅡA,ⅡB和(he)ⅡC類.
"T3"表示溫(wen)度(du)組別.
GSR防(fang)爆(bao)電(dian)磁(ci)閥(fa)故障(zhang)排除(chu)GSR防爆(bao)電(dian)磁(ci)閥(fa)電(dian)磁(ci)閥(fa)通電(dian)後(hou)不(bu)工(gong)作
檢(jian)查電(dian)源(yuan)接(jie)線是否不良(liang)→重新接(jie)線和接(jie)插(cha)件的(de)連接(jie)
檢(jian)查電(dian)源(yuan)電(dian)壓是否(fou)在±工(gong)作範(fàn)圍-→調(diào)(tiao)致(zhi)正常(chang)位(wei)置範(fàn)圍
線圈(quan)是(shi)否脫焊(han)→重新焊(han)接(jie)
線圈(quan)短(duan)路(lu)→更(geng)換線圈(quan)
工(gong)作壓差是(shi)否(fou)不合適→調(diào)(tiao)整壓差→或更換相稱(cheng)的(de)電(dian)磁(ci)閥(fa)
流體溫(wen)度過(guò)高(gao)→更(geng)換相稱(cheng)的(de)電(dian)磁(ci)閥(fa)
有雜(za)質(zhì)使(shi)電(dian)磁(ci)閥(fa)的(de)主(zhu)閥芯(xin)和(he)動(dòng)(dong)鐵(tie)芯(xin)卡死→進(jìn)行清(qing)洗,如有(you)密(mi)封損(sun)壞應(yīng)(ying)更(geng)換密封並安裝(zhuang)過(guò)(guo)濾(lv)器
液體粘度太大(da)，頻(pin)率(lv)太高(gao)和(he)壽(shou)命已(yi)到(dao)→更(geng)換產(chǎn)品
電(dian)磁(ci)閥(fa)不能(neng)關(guān)閉(bi)
主(zhu)閥芯(xin)或鐵動(dòng)(dong)芯的(de)密(mi)封件已(yi)損壞→更(geng)換密封件
流體溫(wen)度、粘度是(shi)否過(guò)(guo)高(gao)→更(geng)換對(duì)口(kou)的(de)電(dian)磁(ci)閥(fa)
有雜(za)質(zhì)進(jìn)入(ru)電(dian)磁(ci)閥(fa)產(chǎn)閥芯或動(dòng)鐵(tie)芯→進(jìn)行清(qing)洗
彈(dan)簧(huang)壽(shou)命(ming)已(yi)到(dao)或變形(xing)→更(geng)換
節(jié)流孔平衡(heng)孔堵(du)塞(sai)→及時(shí)清(qing)洗
工(gong)作頻率太高(gao)或壽命(ming)已(yi)到(dao)→改(gai)選(xuan)產(chǎn)品或更新產(chǎn)品
GSR防爆(bao)電(dian)磁(ci)閥(fa)其它情(qing)況
內(nèi)泄(xie)漏(lou)→檢(jian)查密(mi)封件是否(fou)損(sun)壞,彈(dan)簧(huang)是(shi)否(fou)裝配不(bu)良(liang)
外(wai)泄(xie)漏(lou)→連接(jie)處松動(dòng)(dong)或密封件已(yi)壞→緊(jin)螺(luo)絲(si)或更換密封件
通電(dian)時(shí)(shi)有(you)噪聲(sheng)→頭子(zi)上(shang)堅(jiān)固(gu)件松動(dòng)(dong)，擰緊(jin)。電(dian)壓波(bo)動(dòng)(dong)不在允許(xu)範(fàn)圍內(nèi)，調(diào)(tiao)整好電(dian)壓。鐵芯(xin)吸(xi)合面(mian)雜(za)質(zhì)(zhi)或不平，及時(shí)清(qing)洗或更換。
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