產品(pin)規范
產(chan)品(pin)類型：彈簧(huang)全啟式
公稱壓力：4.0MPa
適用介質：LO2、LN2、LAr、LNG、LC2H4等
適用溫度：-196～+80℃
連接(jie)方式：螺紋

主要零部件材料(liao)
閥(fa)體(ti)、閥(fa)座：不銹鋼
彈(dan)簧：不銹鋼
閥瓣(ban)密封(feng)圈：增(zeng)強聚(ju)四氟乙烯

使用(yong)、維護主(zhu)要事項：
1、安裝前確保管道吹除干凈(jing)；
2、任何時(shi)候發現安全閥(fa)起跳時(shi)，應立即打開放空閥(fa)并停止其他(ta)任何操作；
3、安(an)全閥每年應至少校(xiao)驗(yan)一次；
4、可按要求定(ding)制特殊整定(ding)壓(ya)力(li)安全閥。

DA22F低(di)(di)(di)溫(wen)(wen)(wen)(wen)(wen)全(quan)(quan)(quan)啟式安(an)(an)(an)全(quan)(quan)(quan)閥是指用于(yu)低(di)(di)(di)溫(wen)(wen)(wen)(wen)(wen)液(ye)(ye)(ye)氮(dan)(dan)(dan)系(xi)統(tong)上，啟閉件受外(wai)力(li)作用下處(chu)于(yu)常閉狀態，當低(di)(di)(di)溫(wen)(wen)(wen)(wen)(wen)設備或(huo)管(guan)道內(nei)的(de)低(di)(di)(di)溫(wen)(wen)(wen)(wen)(wen)液(ye)(ye)(ye)氮(dan)(dan)(dan)介質壓(ya)力(li)升(sheng)高超過(guo)(guo)規(gui)定值(zhi)時(shi)，通過(guo)(guo)向系(xi)統(tong)外(wai)排放(fang)液(ye)(ye)(ye)氮(dan)(dan)(dan)來防止低(di)(di)(di)溫(wen)(wen)(wen)(wen)(wen)管(guan)道或(huo)設備內(nei)介質壓(ya)力(li)超過(guo)(guo)規(gui)定數值(zhi)的(de)閥門。控制低(di)(di)(di)溫(wen)(wen)(wen)(wen)(wen)液(ye)(ye)(ye)氮(dan)(dan)(dan)不超過(guo)(guo)規(gui)定值(zhi)，對(dui)人身安(an)(an)(an)全(quan)(quan)(quan)和設備運行起(qi)重要保護(hu)作用。低(di)(di)(di)溫(wen)(wen)(wen)(wen)(wen)液(ye)(ye)(ye)氮(dan)(dan)(dan)安(an)(an)(an)全(quan)(quan)(quan)閥主要產品(pin)有低(di)(di)(di)溫(wen)(wen)(wen)(wen)(wen)液(ye)(ye)(ye)氮(dan)(dan)(dan)安(an)(an)(an)全(quan)(quan)(quan)閥，低(di)(di)(di)溫(wen)(wen)(wen)(wen)(wen)泄(xie)壓(ya)閥，低(di)(di)(di)溫(wen)(wen)(wen)(wen)(wen)不銹(xiu)鋼安(an)(an)(an)全(quan)(quan)(quan)閥，低(di)(di)(di)溫(wen)(wen)(wen)(wen)(wen)液(ye)(ye)(ye)氮(dan)(dan)(dan)安(an)(an)(an)全(quan)(quan)(quan)閥，液(ye)(ye)(ye)氮(dan)(dan)(dan)全(quan)(quan)(quan)啟式安(an)(an)(an)全(quan)(quan)(quan)閥，液(ye)(ye)(ye)氮(dan)(dan)(dan)微啟式安(an)(an)(an)全(quan)(quan)(quan)閥，液(ye)(ye)(ye)氮(dan)(dan)(dan)法蘭安(an)(an)(an)全(quan)(quan)(quan)閥，液(ye)(ye)(ye)氮(dan)(dan)(dan)螺紋安(an)(an)(an)全(quan)(quan)(quan)閥，低(di)(di)(di)溫(wen)(wen)(wen)(wen)(wen)液(ye)(ye)(ye)氮(dan)(dan)(dan)小口徑(jing)安(an)(an)(an)全(quan)(quan)(quan)閥等。