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地址:河(he)北省(sheng)棗強縣門莊工業區(qu)
動作壓力范圍:1Kpa-1.2Kpa(劃分五(wu)個等(deng)級)
工作介質:燃氣(qi)或其它無腐蝕性氣(qi)體
工作溫度: -20-60
通徑系列:DN50、DN80、DN100、DN150、DN200、DN250、DN300
安(an)(an)(an)全(quan)(quan)(quan)閥(fa)(fa)(fa)在系統(tong)(tong)中起安(an)(an)(an)全(quan)(quan)(quan)保(bao)護(hu)作用(yong)。當系統(tong)(tong)壓(ya)力超(chao)過規定值時(shi),安(an)(an)(an)全(quan)(quan)(quan)閥(fa)(fa)(fa)汀開,將(jiang)系統(tong)(tong)中的一部分氣(qi)體排(pai)入大(da)氣(qi),使(shi)系統(tong)(tong)壓(ya)力不超(chao)過允(yun)許值,從而保(bao)證系統(tong)(tong)不因壓(ya)力過高(gao)而發生事故(gu)。安(an)(an)(an)全(quan)(quan)(quan)閥(fa)(fa)(fa)又(you)稱溢流閥(fa)(fa)(fa)。圖示為安(an)(an)(an)全(quan)(quan)(quan)閥(fa)(fa)(fa)的幾種典(dian)型(xing)結(jie)構形式。圖a為活(huo)塞式安(an)(an)(an)全(quan)(quan)(quan)閥(fa)(fa)(fa),閥(fa)(fa)(fa)芯是一平板。氣(qi)源壓(ya)力作用(yong)在活(huo)塞A上,當壓(ya)力超(chao)過由彈(dan)簧力確(que)定的安(an)(an)(an)全(quan)(quan)(quan)值時(shi),活(huo)塞A被頂開,一部分壓(ya)縮空氣(qi)即從閥(fa)(fa)(fa)口排(pai)入大(da)氣(qi);當氣(qi)源壓(ya)力低于安(an)(an)(an)全(quan)(quan)(quan)值時(shi),彈(dan)簧驅動活(huo)塞下移,關閉閥(fa)(fa)(fa)口。
用(yong)于(yu)城市燃氣輸配系(xi)統中,氣化凈化,用(yong)于(yu)城市門站,區域調壓站以及(ji)各種(zhong)用(yong)氣設備前氣體凈化保(bao)護等場合。