廠商(shang)性質:DJ61F
所屬分類:低(di)溫截止閥
產品時間:2021-03-18
簡要描述:LNG低(di)(di)(di)溫(wen)(wen)(wen)(wen)長(chang)軸截止閥(fa)原理(li):$n低(di)(di)(di)溫(wen)(wen)(wen)(wen)長(chang)軸截止閥(fa)DJ61F應(ying)用(yong)于(yu)氣(qi)體(ti)液(ye)(ye)化(hua)設(she)備(bei)、空(kong)分設(she)備(bei);天然氣(qi)液(ye)(ye)化(hua)、儲(chu)運(yun)設(she)備(bei);液(ye)(ye)態氧、氮(dan)、氬、氫、二氧化(hua)碳低(di)(di)(di)溫(wen)(wen)(wen)(wen)貯槽及(ji)槽車;變(bian)壓吸附制氧、氮(dan)設(she)備(bei)。低(di)(di)(di)溫(wen)(wen)(wen)(wen)長(chang)軸截止閥(fa)DJ41F-40P用(yong)于(yu)低(di)(di)(di)溫(wen)(wen)(wen)(wen)儲(chu)罐的出液(ye)(ye)口和進液(ye)(ye)口,因為低(di)(di)(di)溫(wen)(wen)(wen)(wen)儲(chu)罐內的介質溫(wen)(wen)(wen)(wen)度(du)極低(di)(di)(di),溫(wen)(wen)(wen)(wen)度(du)在(zai)短時間內容易傳到至(zhi)手(shou)柄的頂端。所(suo)以(yi)接觸低(di)(di)(di)溫(wen)(wen)(wen)(wen)液(ye)(ye)體(ti)面積較大的部位(wei)管路采用(yong)低(di)(di)(di)溫(wen)(wen)(wen)(wen)長(chang)軸截止閥(fa)。低(di)(di)(di)溫(wen)(wen)(wen)(wen)閥(fa)門廣(guang)泛應(ying)用(yong)于(yu)能源、石化(hua)、航天、核工業等行業
LNG低溫長軸截止閥
低溫閥門性能特點介紹
1、低溫閥門的閥蓋設(she)計為長頸(jing)結構,能(neng)隔(ge)離(li)低溫介質對填料的影響,使閥門啟閉靈(ling)活;
2、填料(liao)采用柔(rou)性石墨或聚四氟乙(yi)烯組合(he)式結構,具有良好的抗低溫性能;
3、墊片(pian)采用不銹鋼皮夾聚四氟乙(yi)烯或柔性石墨纏繞式墊片(pian)結構;
4、閥門在關閉時,為防(fang)止(zhi)閥腔內低溫介質因(yin)溫度(du)上升(sheng),產生氣化異(yi)常升(sheng)壓,在閘(zha)板(ban)或(huo)閥體高壓側設有泄壓結構(gou);
5、閥(fa)門(men)的密封面堆焊鈷基(ji)硬質合金,硬質合金在低溫下變(bian)形小(xiao)、耐磨損(sun),可保持良好的密封性(xing)能。
壓力等級:2.0~10Mpa(150、300、600Lb)
閥門(men)通徑(jing):15~600mm(1/2~24")
連(lian)結形式(shi):法蘭(lan)式(shi)、焊(han)接式(shi)、螺紋
閥(fa)門(men)材料:LCB、LC3、CF8
工(gong)作溫(wen)度:-46℃、-196℃
適用介質:液(ye)化天然氣、乙烯、丙烯等(deng)
驅(qu)動(dong)(dong)方(fang)式:手動(dong)(dong)、傘齒輪傳動(dong)(dong)、電(dian)動(dong)(dong)