廠商性質：
所屬分類(lei)：低溫安全閥(fa)
產品時間：2021-03-18
簡(jian)要描(miao)述：DA22F-25P/40P低溫安全(quan)閥主要用于液(ye)氧（液(ye)氮、液(ye)氬）等低溫液(ye)態介質系(xi)統上，具有啟(qi)動(dong)自(zi)如(ru)、密(mi)(mi)封(feng)可(ke)(ke)靠、起跳壓力穩定等特(te)點。低溫安全(quan)閥驅動(dong)方(fang)式可(ke)(ke)選(xuan)用自(zi)動(dong)、手動(dong)。連接(jie)(jie)方(fang)式可(ke)(ke)選(xuan)用螺紋(wen)、法蘭、焊接(jie)(jie)。結(jie)構(gou)形式可(ke)(ke)選(xuan)用微啟(qi)式、全(quan)啟(qi)式。密(mi)(mi)封(feng)結(jie)構(gou)可(ke)(ke)選(xuan)用軟(ruan)密(mi)(mi)封(feng)、硬密(mi)(mi)封(feng)。材質可(ke)(ke)選(xuan)用鑄(zhu)鐵(tie)、鑄(zhu)鋼、黃銅、不(bu)銹鋼等。
低溫安全閥產品概述：
DA22F-25P/40P低溫安全閥主要用(yong)于(yu)液(ye)氧（液(ye)氮、液(ye)氬(ya)）等低溫液(ye)態介(jie)質系(xi)統上，具(ju)有啟動(dong)自如(ru)、密封(feng)可(ke)靠、起跳壓力穩定等特點(dian)。低溫安全(quan)閥驅動(dong)方式可(ke)選(xuan)(xuan)(xuan)用(yong)自動(dong)、手動(dong)。連接方式可(ke)選(xuan)(xuan)(xuan)用(yong)螺紋、法蘭、焊接。結(jie)構形式可(ke)選(xuan)(xuan)(xuan)用(yong)微啟式、全(quan)啟式。密封(feng)結(jie)構可(ke)選(xuan)(xuan)(xuan)用(yong)軟密封(feng)、硬密封(feng)。材(cai)質可(ke)選(xuan)(xuan)(xuan)用(yong)鑄鐵、鑄鋼、黃銅、不銹鋼等。
低溫安全閥工作原理：
DA22F-25P/40P低溫安全閥是指用(yong)于低(di)(di)(di)(di)溫(wen)液(ye)(ye)(ye)氮(dan)(dan)(dan)(dan)(dan)系統上，啟(qi)閉(bi)件受(shou)外力(li)作用(yong)下處于常閉(bi)狀(zhuang)態，當(dang)低(di)(di)(di)(di)溫(wen)設(she)備或管道內的低(di)(di)(di)(di)溫(wen)液(ye)(ye)(ye)氮(dan)(dan)(dan)(dan)(dan)介質壓(ya)力(li)升高超過(guo)規(gui)定值(zhi)時(shi)，通過(guo)向系統外排放液(ye)(ye)(ye)氮(dan)(dan)(dan)(dan)(dan)來(lai)防止低(di)(di)(di)(di)溫(wen)管道或設(she)備內介質壓(ya)力(li)超過(guo)規(gui)定數(shu)值(zhi)的閥(fa)門。控制(zhi)低(di)(di)(di)(di)溫(wen)液(ye)(ye)(ye)氮(dan)(dan)(dan)(dan)(dan)不(bu)(bu)超過(guo)規(gui)定值(zhi)，對人(ren)身安(an)(an)全(quan)(quan)(quan)和設(she)備運行起重要(yao)保護作用(yong)。低(di)(di)(di)(di)溫(wen)液(ye)(ye)(ye)氮(dan)(dan)(dan)(dan)(dan)安(an)(an)全(quan)(quan)(quan)閥(fa)主要(yao)產品有低(di)(di)(di)(di)溫(wen)液(ye)(ye)(ye)氮(dan)(dan)(dan)(dan)(dan)安(an)(an)全(quan)(quan)(quan)閥(fa)，低(di)(di)(di)(di)溫(wen)泄壓(ya)閥(fa)，低(di)(di)(di)(di)溫(wen)不(bu)(bu)銹鋼安(an)(an)全(quan)(quan)(quan)閥(fa)，低(di)(di)(di)(di)溫(wen)液(ye)(ye)(ye)氮(dan)(dan)(dan)(dan)(dan)安(an)(an)全(quan)(quan)(quan)閥(fa)，液(ye)(ye)(ye)氮(dan)(dan)(dan)(dan)(dan)全(quan)(quan)(quan)啟(qi)式(shi)安(an)(an)全(quan)(quan)(quan)閥(fa)，液(ye)(ye)(ye)氮(dan)(dan)(dan)(dan)(dan)微啟(qi)式(shi)安(an)(an)全(quan)(quan)(quan)閥(fa)，液(ye)(ye)(ye)氮(dan)(dan)(dan)(dan)(dan)法蘭安(an)(an)全(quan)(quan)(quan)閥(fa)，液(ye)(ye)(ye)氮(dan)(dan)(dan)(dan)(dan)螺紋安(an)(an)全(quan)(quan)(quan)閥(fa)，低(di)(di)(di)(di)溫(wen)液(ye)(ye)(ye)氮(dan)(dan)(dan)(dan)(dan)小口(kou)徑(jing)安(an)(an)全(quan)(quan)(quan)閥(fa)等。
低溫安全閥性能規范：
產品(pin)型號 | 公稱壓力(MPa) | 整定壓(ya)力 (MPa) | 排放壓力(MPa) | 適(shi)用介質 | 適用溫度 |
DA22F-40P | 4 | 0.22 | 0.198 | 氧、氮、 氬、氫、 天然(ran)氣、 二氧化碳 、丙烷等(deng) | -196℃ ～ +80℃ |
DA22F-40P | 4 | 0.88 | 0.792 | ||
DA22F-40P | 4 | 1.76 | 1.584 | ||
DA22F-40P | 4 | 0.22 | 0.198 | ||
DA22F-40P | 4 | 0.88 | 0.792 | ||
DA22F-40P | 4 | 1.76 | 1.584 | ||
DA22F-40P | 4 | 0.22 | 0.198 | ||
DA22F-40P | 4 | 0.88 | 0.792 | ||
DA22F-40P | 4 | 1.76 | 1.584 | ||
DA22F-40P | 4 | 0.22 | 0.198 | ||
DA22F-40P | 4 | 0.88 | 0.792 | ||
DA22F-40P | 4 | 1.76 | 1.584 | ||
DA22F-40P | 4 | 0.22 | 0.198 | ||
DA22F-40P | 4 | 0.88 | 0.792 | ||
DA22F-40P | 4 | 1.76 | 1.584 | ||
DA22F-40P | 4 | 0.22 | 0.198 | ||
DA22F-40P | 4 | 0.88 | 0.792 | ||
DA22F-40P | 4 | 1.76 | 1.584 |
